Nursetiawati, S. 2019. Analysis Validity and Reliability As an Instrument to Measure the Self-Academic Concept in a College Student of Cosmetology of Engineering Faculty, State University of Jakarta. KnE Social Sciences. 3, 12 (Mar. 2019), 297–303. DOI:https://doi.org/10.18502/kss.v3i12.4095.