Naura S, D., H. Abizar, and E. Susanto. “ANALISIS PERAWATAN BERKALA TERHADAP PEFORMA MOBIL AVANZA”. Auto Tech: Jurnal Pendidikan Teknik Otomotif Universitas Muhammadiyah Purworejo, Vol. 18, no. 02, June 2023, pp. 56-65, https://ebook.umpwr.ac.id/index.php/autotech/article/view/4179.