ERWIN, E. POLA USAHA TANI PETANI GAMBIR DI NAGARI SIGUNTUR, KABUPATEN PESISIR SELATAN, PROPINSI SUMATERA BARAT. Sosio Informa, [S. l.], v. 19, n. 1, 2014. DOI: 10.33007/inf.v19i1.24. Disponível em: https://ejournal.poltekesos.ac.id/index.php/Sosioinforma/article/view/24. Acesso em: 21 sep. 2024.