Maukar, A. L. ., Kesuma, D. A., & Widodo, A. A. . (2023). Application of Waterfall-System Development Life Cycle Methodology for Designing Purchase Order Material Control System . Inform : Jurnal Ilmiah Bidang Teknologi Informasi Dan Komunikasi, 8(2), 102–110. https://doi.org/10.25139/inform.v8i2.5138