“SOCIO-ECONOMIC MAPPING OF RICE AND COCOA FARMERS IN PEJALIN VILLAGE, TANJUNG PALAS DISTRICT, NORTH KALIMANTAN”. Journal of Advanced Multidisciplinary Studies, vol. 1, no. 1, Apr. 2025, pp. 82-103, https://jurnal-jams.or.id/index.php/JAMS/article/view/53.