TY - BOOK AU - Botturi, Luca AU - Stubbs, S. Todd TI - Handbook of visual languages for instructional design : theories and practices SN - 9781599047294 SN - 200702344 U1 - 371.33 STU PY - 2008/// CY - Hershey, PA PB - Information Science Reference KW - Instructional systems - Design - Handbooks, manuals, etc KW - Visual programming languages (Computer science) - Handbooks, manuals, etc N1 - Includes bibliographical references and index ER -