Nanang Ariyanto, and Harjum Muharam. 2026. “The Influence of Procurement Planning, Supplier Selection Planning, Information Systems and Regulations on the Success Rate of Selecting Suppliers of Goods or Services: Case Study on the Implementation of the Selection of Goods and Services Providers at the Financial Services Authority”. The International Journal of Social Sciences World (TIJOSSW) 8 (1):59-69. https://www.growingscholar.org/journal/index.php/TIJOSSW/article/view/577.