T. Sangkas, A. Chainawakul, S. Aukaranarakul, P. Kowtakul, and S. Manokruang, “Solving Short Shot Defect by Designing Air Vents in Plastic Injection Molds for Coffee Cups with Biodegradable Material”, RMUTI Journal, vol. 18, no. 2, pp. 81–90, Aug. 2025.