Mohamad Pauzi Zakaria; Suhaimi Suratman; Nor Sayzwani Sukri; Vahab Vaezzadeh; Chui Wei Bong. APPLICATION OF PENTACYCLIC TRITERPANES AS A BIOMARKER IN IDENTIFYING THE SOURCE OF OIL POLLUTION IN THE EAST COAST OF PENINSULAR MALAYSIA. PERINTIS eJournal 2021, 7, 95-110.