kristitifani buya, A. Ardianto, M. R. Payung, J. Prabowo, and H. W. Tanje, “Analysis of Design Rainfall Using the Haspers Method for Drainage System Planning in the Abepura–Waena Area”, PCEJ, vol. 8, no. 3, pp. 336–343, Sep. 2026, doi: 10.52722/tgczhz75.