Studi kandungan senyawa metalloporphyrin fraksi diklorometana dalam asphaltenes crude oil duri = Study the content of metalloporphyrin compounds in the dichlorometana fraction in the asphaltenes of duri crude oil

Peran silika dalam identifikasi metalporfirin fraksi toluen dari crude oil duri = The Role of silica for identification metalporphyrin toluene fraction from crude oil duri

Studi pengembangan metode isolasi senyawa organoporfirin menggunakan teknik kromatografi dan ekstraksi pada crude oil duri = Studies isolation method of organoporfirin compounds with chromatography and extraction in crude oil

Investigasi senyawa metalloporphyrin dalam maltenes crude oil duri = Investigation of metalloporphyrin compound in maltenes of duri crude oil

Catalytic cracking hasil reaksi transesterifikasi minyak nyamplung menjadi biofuel menggunakan katalis b2o3/? al2o3 = Biofuel production from transesterification reaction product of nyamplung oil using catalytic process with b2o3 al2o3 catalyst