PHIEWKHAMPHOM , S. Irrigation System without Electricity. Souphanouvong University Journal Multidisciplinary Research and Development , [S. l.], v. 7, n. 2, p. 11–16, 2021. Disponível em: http://www.su-journal.com/index.php/su/article/view/116. Acesso em: 4 mar. 2026.