Zangpo, S. and Sonam, T. 2014. Profitability of Organic Vegetable Production: The Case History of Toktokha Organic Farm, Toebesa Geog, Punakha Dzongkhag. Bhutan Journal of Natural Resources and Development. 1, 1 (Dec. 2014), 37–41. DOI:https://doi.org/10.17102/bjnrd.v1i1.4.