TY - BOOK AU - Vai,Marjorie AU - Sosulski,Kristen TI - Essentials of online course design: a standards-based guide T2 - Essentials of online learning series SN - 978-1-13-878016-3 PY - 2016/// CY - New York PB - Routledge KW - Fernunterricht KW - Online KW - Gestaltung KW - Handbuch N1 - Includes bibliographical references and index ER -