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Andrizal NK, Aziz R, Sri Komala P. THE STUDY OF SEPTIC TANK EMPTYING STRATEGY IN URBAN AREAS CASE STUDY OF PADANG CITY, WEST SUMATRA. LJEE [Internet]. 2026 Feb. 25 [cited 2026 Mar. 4];6(2):1-17. Available from: https://journal.ar-raniry.ac.id/index.php/lingkar/article/view/8686