Lubis, Satia, 		Sabrina, T, AND 		Fauziah, Lili.
" MODEL KERAGAAN SAYUR DAN BUAH SEBELUM DAN SESUDAH ERUPSI GUNUNG SINABUNG DI KABUPATEN KARO SUMATERA UTARA" <em>JSEP (Journal of Social and Agricultural Economics)</em> [Online], Volume 9 Number 3 (15 November 2017)