A. Pramana, A. Hamzah, M. Amrul Khoiri, and Y. Gae Lada, “Palm Oil Fresh Fruit Bunch Loss And Post Harvest Risk Analysis At Koperasi Petani Sawit Mandiri (KOPSA-M) Pangkalan Baru, Siak Hulu Kampar Riau”, JUATIKA, vol. 3, no. 2, pp. 208-216, Jul. 2021.