Putri, Erryka, 		Suwandari, Anik, AND 		Ridjal, Julian.
" ANALISIS PENDAPATAN DAN EFISIENSI BIAYA USAHATANI TEMBAKAU MAESAN 2 DI KABUPATEN BONDOWOSO" <em>JSEP (Journal of Social and Agricultural Economics)</em> [Online], Volume 8 Number 1 (30 March 2015)