Jamaluddin, Rahman, M., & Pangaribuan, F. (2023). Tingkat Pengetahuan Karyawan Pemupukan Kelapa Sawit Terhadap Prinsip 4T di PT. REA Kaltim Plantations: Level of Knowledge of Palm Oil Fertilizer Employees Regarding the 4R Principles at PT. REA Kaltim Plantations. Buletin Loupe, 19(02), 262–232. https://doi.org/10.51967/buletinloupe.v19i02.2925