IFFARIAL NANDA; WAKHINUDDIN SIMATUPANG; HASAN MAKSUM; RIFDARMON; LASYATTA SYAIFULLAH; RIDO PUTRA. Development of Innovative Mobile QR-EFI Simulator in Problem-Based Teaching Factory (PBTF) Model to Enhance Students’ 4C Skills. International Journal of Interactive Mobile Technologies (iJIM), [S. l.], v. 19, n. 18, p. 18–31, 2025. DOI: 10.3991/ijim.v19i18.57285. Disponível em: https://online-journals.org/index.php/i-jim/article/view/57285. Acesso em: 1 jun. 2026.