Kharel, Khom Raj, and Dipak Bahadur Adhikari. “A Competitive Perspective of Sustainable Coffee Production Practices”. Quest Journal of Management and Social Sciences 3, no. 1 (June 10, 2021): 101–111. Accessed September 25, 2021. https://www.nepjol.info/index.php/qjmss/article/view/37600.