Elian, Novi, Djuara P Lubis, and Parlaungan A Rangkuti. “Internet Ussage and Agricultural Information Utilization by Agricultural Extension Staff in Bogor District”. Jurnal Komunikasi Pembangunan 12, no. 2 (November 17, 2014). Accessed March 5, 2021. http://jma.journal.ipb.ac.id/index.php/jurnalkmp/article/view/8666.