Yontri Faisal, Muhammad Yamin Nasution. “LAND CERTIFICATION OF LOCAL GOVERNMENT ASSETS FROM COMMUNAL LAND IN WEST SUMATERA”. PalArch’s Journal of Archaeology of Egypt Egyptology, vol. 17, no. 7, Dec. 2020, pp. 9236-44, https://archives.palarch.nl/index.php/jae/article/view/3861.