MUJAB, Shokhibul; AL BANNA, Nurrahim Hasan; SHOFIAH, Siti; PRANOTO, Ethys. Analysis of Valve Clearance Variation Effects on Exhaust Gas Opacity in Biosolar-Fueled Mitsubishi L300 Diesel Engine. Jurnal Perintis: Pengembangan Riset Inovatif Teknik, Teknologi, dan Sains, Tegal, Indonesia, v. 2, n. 1(Januari-Februari), 2026. Disponível em: https://ejournal.pktj.ac.id/index.php/perintis/article/view/42-47. Acesso em: 28 may. 2026.