“Properties of Polyhydroxy Butyrate Polyvalerate Biopolymeric Nanocomposites Reinforced With Natural Halloysite Nanotubes”. Journal of Material Science and Technology Research 3, no. 1 (September 26, 2016): 7–16. Accessed October 3, 2025. https://ctsee.com/index.php/jmstr/article/view/58.