Khumpaitool, Bualan, Songkot Utara, and Punyarat Jantachum. 2018. “Thermal and Mechanical Properties of an Epoxidized Natural Rubber Composite Containing a Li/Cr Co-Doped NiO-Based Filler”. Journal of Metals, Materials and Minerals 28 (1). Bangkok, Thailand. https://jmmm.material.chula.ac.th/index.php/jmmm/article/view/434.