Audio-visual aids in extention education
DHALIWAL, A. S
Audio-visual aids in extention education - Ludhiana 1971 - 90 L
AGRICULTURE EDUCATION -- STUDY & B TEACHINGV -- AUDIO - VISUAL
AGRICULTURAL EXTENSION WORK -- STUDY TEAC AGRICULTURE EDUCATION -- STUDY & B TEACHIN
371.33 D38A
Audio-visual aids in extention education - Ludhiana 1971 - 90 L
AGRICULTURE EDUCATION -- STUDY & B TEACHINGV -- AUDIO - VISUAL
AGRICULTURAL EXTENSION WORK -- STUDY TEAC AGRICULTURE EDUCATION -- STUDY & B TEACHIN
371.33 D38A