RIANTI FELA; MANULLANG, Marihot; SIREGAR, Robert Tua; DAMANIK, Sarintan E. Pengaruh Program Water Resources And Irrigation Sector Management Project (WISMP) Terhadap Produktivitas Padi Sawah Di Kecamatan Siantar Kabupaten Simalungun. Jurnal Regional Planning, [S. l.], v. 1, n. 2, p. 67–74, 2019. DOI: 10.36985/43aevk56. Disponível em: http://jurnal.usi.ac.id/index.php/jrp/article/view/524. Acesso em: 27 sep. 2024.