Pratiwi, D. R., S. Wening, and E. Nazri. “The Effect of Exposure Time of Plant Growth Regulator to Abnormality Rate of Oil Palm Clones”.
Jurnal Penelitian Kelapa Sawit
, Vol. 28, no. 1, Apr. 2020, pp. 29-40, doi:10.22302/iopri.jur.jpks.v28i1.96.