Lidia, Sri Ngapiyatun, wartomo, Budi Winarni, and Wike Pratiwi. “Perhitungan Produktivitas Dan Kebutuhan Karyawan Panen Kelapa Sawit Di PT. Alam Jaya Persada, Kutai Kartanegara, Kalimantan Timur: Calculation of Employee Productivity and Requirements to Harvest Oil Palm at PT. Alam Jaya Persada, Kutai Kartanegara, East Kalimantan”. Buletin Loupe 19, no. 02 (December 30, 2023): 200–206. Accessed September 16, 2024. https://e-journal.politanisamarinda.ac.id/index.php/jurnalloupe/article/view/2919.