1. Muhammad kambrany; Akhmad Farid; Nurida Finahari., “Pengaruh Filter Udara Terhadap Unjuk Kerja Mesin Pada Motor Matic,” Proton, vol. 5, no. 1, pp. 23–29, 2013.
2. N. Fuhaid, “Pengaruh Filter Udara Pada Karburator Terhadap Unjuk Kerja Mesin,” Proton, vol. 2, no. 2, pp. 39–45, 2010.
3. E. Widodo, M. Mulyadi, I. Iswanto, P. H. Tjahjanti, and S. B. M. Anggara, “Effect of pulley primary angle variation and roller 11 grams on 110 cc Scoopy injection engine,” J. Phys. Conf. Ser., vol. 1402, no. 4, 2019.
4. D. Yuliyanto and E. Widodo, “Pengaruh Jenis Bahan Bakar Terhadap Viskositas dan TBN Pelumas SAE10W-30 pada Motor Bakar 125cc,” R E.M. (Rekayasa Energi Manufaktur) J., vol. 3, no. 1, pp. 1–5, 2018.
5. D. C. Talele, D. S. Deshmukh, and P. P. Boranare, “A Review on Effect of Air Induction Pressure Variation on Compression Ignition Engine Performance,” PRATIBHA Int. J. Sci. SPIRITUALITY, Bus. Technol., vol. 4, no. 1, pp. 61–64, 2015.