saiful, saiful tri wijaya (2023) “ANALYSIS OF DRAINAGE CHANNELS AREA JL. KOLONEL SUGIONO, WARU DISTRICT, SIDOARJO REGENCY”, STUDENT JOURNAL GELAGAR, 4(2), pp. 120-128. Available at: https://ejournal.itn.ac.id/index.php/gelagar/article/view/5631 (Accessed: 22July2024).