Semnan University International Journal of Nonlinear Analysis and Applications 2008-6822 15 4 2024 04 01 Validation of the internationalization model of small and medium-sized industries with marketing innovation: Emphasizing the mediating role of market orientation in the direction of the prosperity of the leather industry market, focusing on the East Azerbaijan region 185 193 7599 10.22075/ijnaa.2022.27340.3564 EN Aiyoub Jedari Sefidgari Department of Management, Tabriz Branch, Islamic Azad University, Tabriz, Iran Sirous Fakhimi Azar Department of Management, Tabriz Branch, Islamic Azad University, Tabriz, Iran Mohammad Faryabi Department of Management, Tabriz Branch, Islamic Azad University, Tabriz, Iran Yaghob Alavi Matin Department of Management, Tabriz Branch, Islamic Azad University, Tabriz, Iran Journal Article 2022 05 30 In developed countries, most of the economic activities of these countries are carried out through small and medium-sized companies, and SMEs act as the backbone of the dynamic economy of these countries. The purpose of this study is to design and validate the internationalization model of small and medium industries with marketing innovation, emphasizing the mediating role of market orientation in the direction of the prosperity of the leather industry market, centered on the East Azerbaijan region. The statistical population in the quantitative part included 1620 active units in East Azarbaijan province, and the statistical sample included 310 people based on the Morgan-Karjesi table, who were selected by a simple random sampling method. To do sampling, cluster sampling and available people were used for sampling. A Likert scale questionnaire was used to collect data. Structural equation modeling method and smart-pls software were used for data analysis. The findings of this study showed that marketing innovation has an effect on the performance of innovation and internationalization with mediating variables of market orientation, process innovation, innovation capability, and product innovation. https://ijnaa.semnan.ac.ir/article_7599_64f1fbcb3aa302fab8fa8f742f334da1.pdf