Harahap, Z.A. and Hariyadi, . (2018) “Manajemen Panen Kelapa Sawit (Elaeis guineensis Jacq.) di Kebun Sei Lukut, Siak, Riau”, Buletin Agrohorti, 6(1), pp. 131–139. doi:10.29244/agrob.v6i1.17494.