Threepopnatkul, P., N. Sukprasurt, W. Prom-Oh, and C. Kulsetthanchalee. 2017. “Effect of Glass Fiber Length and Content on Mechanical Properties of Polybutylene Terephthalate”. Journal of Metals, Materials and Minerals 27 (1). Bangkok, Thailand. https://jmmm.material.chula.ac.th/index.php/jmmm/article/view/331.