TY - BOOK AU - Tripathi,Virendra AU - Singh,V.N. ED - National training workshop TI - Preparation of problem-oriented learning materials: report of national training workshop, Literacy House, Lucknow, September 4-9, 1975 U1 - 374.954 PY - 1976/// CY - New Delhi PB - Indian Adult Education Association KW - Adult education KW - Curricula KW - India KW - Curriculum planning KW - Non-formal education ER -