Lealaphan, Acharapan, and Wisanu Launglaor. “Attitudes and Behavior of Bangkok Residents regarding Reducing the Use of Plastic Bags”. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences 34, no. 1 (February 3, 2014): 70–88. accessed August 30, 2026. https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/188727.