Somjate Patcharaphun, and Grand Opaskornkul. 2008. “Characterization of Fiber Length Distribution in Short andLong-Glass-Fiber Reinforced Polypropylene during Injection Molding Process”. Agriculture and Natural Resources 42 (5). Bangkok, Thailand:392-97. https://li01.tci-thaijo.org/index.php/anres/article/view/244628.