Martínez-Cubillo FJ. Pollutants and use of waste in lion tanning, producing biogas and biodiesel. Rev. iberoam. bioecon. cambio clim. [Internet]. 2018 Dec. 5 [cited 2024 Jul. 18];4(8):954-6. Available from: https://camjol.info/index.php/RIBCC/article/view/6675