00453ctm a2200157u 4500 20250312110756.0 ta 201217s1992 001|0 eng u 8171582745 (hpb) Management of environmental education and research / [manuscript] / edited by Pro. P.R. Trivedi. New Delhi.: : Akashdeep Publishing House, c1992. vi, 254 p ; 20 cm. BK 9 11925 11925 0 0 0 0 EGSTL EGSTL CIRC 2025-03-09 0 372.35 Man 1992 21412 2025-06-30 00:00:00 2025-03-09 BK