WADJDI , FARIED, and IMAM ARIF RAHARDJO. “INNOVATIVE QR CODE-BASED INTERACTIVE TEACHING MATERIALS IN ELECTRICAL CIRCUIT LEARNING”. TPM – Testing, Psychometrics, Methodology in Applied Psychology, vol. 32, no. 2 - June, June 2025, pp. 962-7, https://tpmap.org/submission/index.php/tpm/article/view/1609.