Sitompul, S. S.; Kustono, D.; Suhartadi, S.; Setyaningsih, R. M. The Relationship of the Learning of Tourism Marketing, Hard Skills, Soft Skills and Working Quality of the Graduates of Tourism Academy in Medan. IJSSES 2017, 3 (4), 124-133. https://doi.org/10.23918/ijsses.v3i4p124.