“EVALUATING A VCR ENGINE’S PERFORMANCE ENVIRONMENT PROTECTION ACT, 1986 AND EMISSIONS WITH WATERMELON SEED OIL BIODIESEL ENHANCED BY NANO ADDITIVES”. Lex localis - Journal of Local Self-Government (September 1, 2026): 139–150. Accessed October 5, 2026. https://lex-localis.org/index.php/LexLocalis/article/view/804074.