Rendi Manitik, Ryan Tandean, Rilya Rumbayan, and Jeanely Rangkang. “Design of a Parking Building for Manado State Polytechnic Using Efficient and Eco-Friendly Precast Concrete ”. International Journal of Integrative Sciences 4, no. 2 (February 27, 2025): 355–366. Accessed October 9, 2026. https://mryformosapublisher.org/index.php/ijis/article/view/29.