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At Lumaryon Universal, customer satisfaction is our priority. If you are not completely satisfied with your purchase, you may request a return within the eligible return period as outlined on our website. Items must be returned in their original condition, unused, and in original packaging to qualify for a refund.
Once your return is received and inspected, we will notify you of the approval or rejection of your refund. Approved refunds will be processed to the original method of payment within a reasonable timeframe. Shipping fees are non-refundable unless the return is due to a defective product or an error on our part.
Customers are responsible for return shipping costs unless otherwise stated. Please note that certain items may be non-returnable due to hygiene, safety, or clearance reasons, which will be clearly communicated at the time of purchase. We recommend contacting our support team before returning any item to ensure a smooth and efficient return process.
by Abdorasoul Sadeghi (Author), Hela Nammouri (Author), Seyed Komail Tayebi (Author)
Abdorasoul Sadeghi holds a Ph.D. in Monetary Economics from Shiraz University and a postdoctoral fellowship at the University of Tehran. His research spans institutional, financial, monetary, and development economics, with a particular emphasis on analytical and policy-oriented inquiry. He has published in highly ranked, internationally recognized journals and serves as a reviewer for several top-tier global journals. His work reflects a sustained commitment to rigorous scholarship and the advancement of economic research.
Hela Nammouri is an Associate Professor of Finance and leads the "Green Finance & Innovation" research axis at ESDES Business School (UCLy) in Lyon, France. She holds a Ph.D. in finance from University of Paris-Saclay (University of Évry-Val-d'Essonne). Her research focuses on green finance, behavioral finance, and financial markets, using quantitative and econometric methods. Her work has appeared in international peer-reviewed journals, including the Journal of Economic Dynamics and Control, Energy Economics, Applied Economics, and Finance Research Letters. She also serves as an Associate Editor at Research in International Business and Finance and reviews for leading journals.
Seyed Komail Tayebi is a Professor of International Economics and Econometrics at the Department of Economics, University of Isfahan, Iran. He is also serving as the Director, Center of Excellence for International Economics (CEIE), University of Isfahan and the Editor-in-Chief of the International Economics Studies. He received his PhD from University of Wollongong, Australia in 1996. During 2005-2006, he was a visiting professor at the Southern Methodist University (SMU), Dallas, USA. He was also appointed as a distinguished professor in the country by the Ministry of Science, Research and Technology in 2007. Professor Tayebi has been a member of Asia Pacific Economic Forum (AFEF) since 2002, being appointed as the APEF president in 2008 and 2009. He has also been a member of Association of Korea Economic Studies (AKES) since 2010. Prof. Tayebi has presented and published his research extensively in international conferences and journals in the areas of international trade and economic integration, modeling financial crisis, micro-econometrics, SMEs, and technology spillovers. He is one of the most accomplished economists of Iran, and academic leader with rich and diverse experience in international economics and its linkages to promote R&D, technology, and scientific spillovers.
Professor Tayebi is now serving as the President ECO Science Foundation (ECOSF). With more than 25 years of international development and a long-standing commitment to socio-economic development of the ECO region, Prof. Tayebi brings a unique set of knowledge, wealth of experience, and academic excellence to lead ECOSF into the future.
At Lumaryon Universal, we are committed to providing a smooth and reliable shipping experience for every customer. All orders are carefully processed within 1–3 business days, excluding weekends and and public holidays.
Once dispatched, orders are shipped using trusted carriers, with an estimated delivery timeframe of 6–12 business days, depending on your location and carrier conditions. Customers will receive a shipping confirmation email with tracking information as soon as their order is shipped, allowing them to monitor delivery progress.
While we strive to meet estimated delivery times, occasional delays may occur due to factors beyond our control, such as weather conditions or carrier disruptions. Our team remains available to assist with any shipping or delivery inquiries to ensure a secure and hassle-free shopping experience.
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