marwa aladawy. "Program in Heritage Education Based on Learning Technology System Architecture (LTSA); To develop awareness of the sustainable development of our natural heritage; for the student is a teacher of social studies, Faculty of Education - Alexandria University", المجلة التربوية لکلية التربية بسوهاج, 91, 91, 2021, 3089-3147. doi: 10.21608/edusohag.2021.194918