PrasetyoJ., RubionoG., and BunawiB. “Pengaruh Medan Magnet Terhadap Efisiensi Bahan Bakar Dan Unjuk Kerja Mesin”. V-MAC (Virtual of Mechanical Engineering Article), Vol. 2, no. 1, Oct. 2017, https://ejournal.unibabwi.ac.id/index.php/vmac/article/view/112.