Tshetrim, and R. Chhetri. “Factors Contributing to Citrus Mandarin Yield Decline in Dewathang Geog under Samdrup Jongkhar Dzongkhag”. Bhutan Journal of Natural Resources and Development, vol. 1, no. 1, Jan. 2023, pp. 18-23, doi:10.17102/bjnrd.v1i1.6.