Annapurna Devi N, Mohan Kumar C, Rama Naidu Y, Narasimha Rao M. Production and Evaluation of Biodiesel from Sunflower (Helianthus annus) and Nigerseed Oil (Guizotia abyssinica). ajc [Internet]. 2010 Mar. 30 [cited 2024 Jul. 23];18(4):2951-8. Available from: https://asianpubs.org/index.php/ajchem/article/view/20713