Alfian, Devia, 		Prahmana, Rico, 		Silitonga, Dicky, 		Muhyi, Abdul, AND 		Supriyadi, Didik.
" Uji Performa Gasoline Engine menggunakan bioaditif cengkeh dengan bensin berkadar oktan 90" <em>Journal of Science and Applicative Technology</em> [Online], Volume 4 Number 1 (15 June 2020)