umpunkan, Poonsup, Saranya Popraithong, Pattara Somnuake, Wikoramet Teeka, and Sirirat Wacharawichanant. 2025. “Effect of Microcrystalline Cellulose from Paper Pulp on Poly(Lactic Acid) Properties as Reinforced Fiber in Biodegradable-Material Application”. Engineering Access 12 (1). Mahasakham, Thailand:31-38. https://ph02.tci-thaijo.org/index.php/mijet/article/view/255173.