Damanik, Sarintan Efratani. «Agricultural Ecology of Irrigation Systems and Sustainable Development in Simalungun Region, Indonesia». Utopía y Praxis Latinoamericana 25, no. 1 (mayo 15, 2020): 272-281. Accedido julio 31, 2025. https://produccioncientifica.luz.edu.ve/index.php/utopia/article/view/31899.