Daud, Anshar, Agung Suharyanto, Prety Diawati, Phong Thanh Nguyen, and K. Shankarn. “A Quantitative Analysis of Portfolio Governance Management for Product Innovation in Organization Management Systems”. Religación 4, no. 19 (September 30, 2019): 262-267. Accessed May 7, 2024. https://revista.religacion.com/index.php/religacion/article/view/753.