Çörüç, Gül2020-01-272020-01-271998-09-061300-1272https://hdl.handle.net/11413/6149trAttribution-NonCommercial-NoDerivs 3.0 United Stateshttp://creativecommons.org/licenses/by-nc-nd/3.0/us/Eğitim ve ÖğretimDerslerÖğrenme SistemleriEducation and TrainingLessonsLearning SystemsArticle