TY - BOOK AU - Reigeluth, Charles M. AU - Reigeluth,Charles M. AU - An,Yunjo TI - Merging the instructional design process with learner-centered theory: the holistic 4D model SN - 9780815360780 PY - 2021/// CY - New York ; London PB - Routledge KW - Learning design KW - Lernpsychologie KW - Curriclulum KW - e-Learning ER -