H. Ragavendra Rao, K. Madhava Reddy, G.Suresh kumar, P. Harishankar. Granite powder as filler for producing PVA based composite films: Synthesis and Characterization . DE [Internet]. 2022Mar.5 [cited 2024Apr.26];(1):2231-4. Available from: http://thedesignengineering.com/index.php/DE/article/view/9219