“Identification Of Irrigation Building in The Sangkir Garagahan Agam Regency for Agricultural Improvement” (2022) iJournals:International Journal of Software & Hardware Research in Engineering ISSN:2347-4890, 10(6). पर उपलब्ध: https://ijournals.in/journal/index.php/ijshre/article/view/147 (अंतिम उपयोग: 22 अक्टूबर 2026).