00549nam a2200169Ia 4500 190328s9999||||xx |||||||||||||| ||und|| 63-12488 NITIL NITIL 21st 375.3 M621S Michaelis, John U Social studies for in a democracy recent trends and developments John U Michaelis 3rd Englewood Cliffs Prentice-Hall 1963 xvi, 624p. Social studies-Study and teaching; Child development; Education-Audio-video aids BKS 35976 35976 0 0 DDC 0 0 NITIL NITIL 2019-04-03 0 375.3 M621S 44566 2019-04-03 00:00:00 2019-04-03 BKS