Thipsri, N., W. Charoenroop, P. Pansuwan, and N. Pitiniyomrot. “Development Guideline of Competitiveness of Chiangrai City Cooperative Limited”. RMUTL Journal of Business Administration and Liberal Arts, vol. 12, no. 1, June 2024, pp. 1-16, https://so05.tci-thaijo.org/index.php/balajhss/article/view/266683.