Yuliyasari, Tri, Mansyur Mansyur, and Arwin Sanjaya. 2023. “Calculation of Cost of Rice Production in Farmer Groups Source of Fortune in Sidomukti Village, Muara Kaman District, Kutai Kartanegara Regency”. Jurnal Indonesia Sosial Sains 4 (03):276-88. https://doi.org/10.59141/jiss.v4i03.795.