Mohamat Iqbal Saputra, Syamsuwirman, and Bustari Badal. “PENGARUH PUPUK ORGANIK TERHADAP PERTUMBUHAN BIBIT KELAPA SAWIT (Elaeis Guinensis Jacq) TAHAP MAIN-NURSERY ”. UNES JOURNAL MAHASISWA PERTANIAN , Vol. 3, no. 1, Apr. 2019, pp. 039-48, https://faperta.ekasakti.org/index.php/UJMP/article/view/19.