TY - BOOK AU - Minnick, Dan R. TI - A guide to creating self-learning materials SN - 9711042126 AV - R 853 .M5 1989 PY - 1989/// CY - Philippines PB - IRRI N1 - Autotutorial or self -learning instruction as a learning method : some relevant theories and concepts -- a/i or self learning materials : creation and use ER -