Harieswantini, Retno, Hariadi Subagja, & Muksin Muksin. " ANALISIS PRODUKTIVITAS DAN PENDAPATAN TENAGA KERJA PENYADAP KARET DI KABUPATEN JEMBER." JSEP (Journal of Social and Agricultural Economics) [Online], 10.1 (2017): 55-64. Web. 21 Nov. 2024