Analisis Kapasitas Drainase di Jalan Bandar Damar – Jalan Ujung Gurun Kelurahan Purus Kecamatan Padang Barat Kota Padang Ghandhy, Ahmad FT UNP Mardizal, Jonni Arbi, Yaumal Jufry, Windry Novalia thesis https://repository.unp.ac.id/id/eprint/40166/ https://repository.unp.ac.id/id/eprint/40166/1/final_B1_1_AHMAD_GHANDHY_19323109_1682_2023.pdf open access 2023-02 Drainase Hujan Genangan Air Kapasitas Drainase Software EPA SWMM