,R., ,S., YahyaS., Toruan-MathiusN., and LiwangT. “Identification of Gene Related to Hard Bunch Phenotype in Oil Palm (Elaeis Guineensis Jacq.)”. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy), Vol. 43, no. 2, Oct. 2015, pp. 147-52, doi:10.24831/jai.v43i2.10421.