Lagkum , N. “IMPACT OF LEARNING ORIENTATION AND SUSTAINABLE PRODUCT DEVELOPMENT THROUGH EFFICIENCY OF CAPITAL MANAGEMENT AND MARKETING MANAGEMENT OF COMMUNITY ENTERPRISES IN THE UPPER NORTEASTERN REGION”. Journal of Graduate School of Commerce-Burapha Review, vol. 15, no. 2, Dec. 2020, pp. 135-49, https://so02.tci-thaijo.org/index.php/GSC/article/view/244619.