Kurniawati, Dwi Kurniawati, Teguh Djuharyanto, and Ayu Sitanini. “FARMERS’ PERCEPTION OF THE COOPERATION SYSTEM WITH PT INDOFOOD IN POTATO FARMING IN SERANG VILLAGE, KARANGREJA, PURBALINGGA REGENCY”. Jurnal Hexagro 9, no. 2 (October 11, 2025). Accessed October 14, 2025. https://e-journal.unper.ac.id/index.php/hexagro/article/view/1770.