Dechrit, Sarocha, and Ampon Honark. 2022. “Marketing Plan to Increase Sales of Stationery and Textbooks Suksaphanmukdahan Shop, Muang District, Mukdahan Province”. MBA-KKU Journal 14 (2). Khon Kaen, Thailand:121-34. https://so04.tci-thaijo.org/index.php/mbakkujournal/article/view/253291.