Properties and Potential of Green Natural Rubber Composites Filled with Biofillers from Cassia bakeriana Craib and Cassia fistula L. Pods - Sasiwan Yodpanya; Wadsana Phothikamon; Chakrit Sirisinha; Pongdhorn Sae-Oui; Kingkaew Chayakul Chanapattharapol; Poonsuk Poosimma; Narubeth Lorwanishpaisarn; Chomsri Siriwong (ACS Omega)