COVID-19 pandemic has been influencing all aspects of life, and the educational aspect is not an exception. Since COVID-19 transmission occurs by having direct contact with the infected people, mai…
Optimasi proses esterifikasi asam lemak bebas dari limbah cair minyak kelapa telah dicapai dengan menggunakan katalis komposit montmorilonit-karbon sulfonat dari gula tebu. Penelitian ini dilakukan…