@article{paperid:1090700, author = {Shahraini, Narjes and Entezari, Mohammad Hassan}, title = {Biodiesel from waste oil under mild conditions by a combination of calciumā€strontium oxide nanocatalyst and ultrasonic waves}, journal = {International Journal of Energy Research}, year = {2022}, volume = {46}, number = {10}, month = {August}, issn = {0363-907X}, pages = {13781--13800}, numpages = {19}, keywords = {biodiesel; calcium-strontium oxide nanocatalyst; environmental-factor; kinetic study; ultrasonic irradiation; waste oil}, }