Rahman, Ananda, Dyah Mardiningsih, and Tutik Dalmiyatun. “THE INFLUENCE OF THE ROLE OF AGRICULTURAL EXTENSION OFFICERS ON THE KNOWLEDGE LEVEL OF ROBUSTA COFFEE FARMERS ABOUT FARM CARD PROGRAM IN JUMO DISTRICT TEMANGGUNG REGANCY”. AGROLAND The Agricultural Sciences Journal (e-Journal) 5, no. 1 (June 25, 2020): 23 - 31. Accessed July 23, 2024. http://jurnal.faperta.untad.ac.id/index.php/agroland/article/view/219.