Trần, T.T.N. et al. 2026. SYNTHESIS HETEROGENEOUS CATALYST CaO-SiO2 FROM CRAB SHELL AND RICE HUSK FOR OLEIC ACID CONVERSION. Ho Chi Minh City University of Education Journal of Science. 23, 9 (Sep. 2026). DOI:https://doi.org/10.54607/hcmue.js.23.9.4512(2026).