Erwinsyah Simanungkalit, Nizwardi Jalinus, Ridwan , M. Fakhriza , Arfanda AS. (2021). COMPETENCY DEVELOPMENT VALIDITCERTIFICATION IN TEST MODELING AND WEB PROGRAMMING IN VOCATIONAL EDUCATION. Turkish Journal of Computer and Mathematics Education (TURCOMAT), 12(13), 7379–7389. https://doi.org/10.17762/turcomat.v12i13.10602