Harahap, Iman Yani, Sumaryanto Sumaryanto, Taufiq Caesar Hidayat, Wan Rizki Fauzi, and Yusran Pangaribuan. 2017. “PRODUCTION OF OIL PALM SEX INFLORESCENSE AND ITS RESPONSE ON THE TREATMENT OF PLANT EXOGENOUS HORMONE TREATMENT UNDER DROUGHT CONDITION”. Jurnal Penelitian Kelapa Sawit 25 (1), 31-46. https://doi.org/10.22302/iopri.jur.jpks.v25i1.23.