Tee, T. K.; Ramlan, A.; Azman, M. N. A. .; Bagus , . N. R. P. A.; Sukardi; Risfendra; Abd Hamid, R. I. . Mastery Issues and Teaching Approaches for the Electrical Technology Certificate Programme at Community Colleges on the Topic of Measuring Instruments. ASPEN 2022, 2, 1-7.