Optimization Efficiency of Calcium Based Catalyst in Coconut Oil Transesterification via Box-Behnken Design
Aisyah Fathiah Ahmad, Salmiah Jamal Mat Rosid, Nursyamimi Zulkurnain, Azman Azid, Susilawati Toemen, Salwani Ismail, Wan Nazwanie Wan Abdullah and Sarina Mat Rosid