Namwat T, Janapiraganit T. The Study of Marketing Mix Factors Affecting the Level of Perilla Frutescens Purchasing Decision Consumers and Tourists in Chiang Rai Province . JMSA_FMS_URU [internet]. 2022 Jun. 30 [cited 2025 Apr. 10];1(1):19-30. available from: https://so07.tci-thaijo.org/index.php/JMSA_FMS_URU/article/view/717