Kittiamornrat S, Sawang S. Integrated Marketing Communication Factors and Reference Group Affecting the Buying Decision of Wall’s Ice Cream of Consumers During COVID-19 Pandemic. rpujournal [Internet]. 2023 Dec. 31 [cited 2024 May 14];9(3):148-64. Available from: https://so03.tci-thaijo.org/index.php/rpu/article/view/274245