Butler, D., and Davies J. “INVESTIGATING RAINWATER INFILTRATION AND DRAINAGE IN UJUNG KALAK VILLAGE, WEST ACEH”. International Journal of Allied Research in Engineering and Technology (IJARET), vol. 13, no. 12, Dec. 2022, pp. 1-16, https://zapjournals.com/Journals/index.php/IJARET/article/view/776.