PRESPEKTIVE SUSTAINABLE COMPETITIVE ADVANTAGE IN PRODUCTION UNITS AT VOCATIONAL HIGH SCHOOL IN INDONESIA Ihsana El Khuluqo, Ihsana El Khuluqohttp://repository.uhamka.ac.id/id/eprint/10343/1/KLICSTEM_2021__005_004_7ikAZlsaLS%20%282%29.pdf Download di sini!