Ratnawati, Dianna, et al. “SYNCHRONOUS AND ASYNCHRONOUS LEARNING ACTIVITIES AS ALTERNATIVE DISTANCE LEARNING MODELS THAT ARE ORIENTED TO OUTCOME-BASED EDUCATION”. Jurnal Dinamika Vokasional Teknik Mesin, vol. 8, no. 1, July 2023, doi:10.21831/dinamika.v8i1.60742.