chong, henry, Violitta Yesmaya, Ardian Eko Y.P., Novita Sariand, and Zakharia Yudistia Malino. 2012. “STANDARDIZATION OF PROJECT MANAGEMENT SOFTWARE USING CHANGE MANAGEMENT”. Jurnal Sistem Informasi 7 (2), 126-31. https://doi.org/10.21609/jsi.v7i2.303.