1.
Qoyyima D, Jumaeri J. Modification of Magnesium Oxide from Bittern Waste with Strontium Oxide for Palm Oil Transesterification Process. ijcs [Internet]. 30Sep.2021 [cited 18Apr.2025];10(2):139-44. Available from: http://journal.unnes.ac.id/sju/ijcs/article/view/50033