Yayan Oktiawan. (2023). IRRIGATION NETWORK PERFORMANCE INDEX ANALYSIS CASE STUDY OF BANDAR SAPAN KAYU MANANG IRRIGATION AREA, SOLOK REGENCY. Indonesia Journal of Engineering and Education Technology (IJEET), 1(4), 33–38. https://doi.org/10.61991/ijeet.v1i4.7 (Original work published December 1, 2023)