module for pre-service training of social science teachers and supervisors for secondary schools Jangira, N K, (prep.) Das, Supta, (prep.) text Paris Unesco 1985 1st ed. monographic eng

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v, 123 p. ; 29.6 cm. Environment Management general Savita Sinha, N K Jangira, Supta Das 1994-05-09 env Environment education Teachers Social science Schools 574.50712 BD-DhIUB 110328 00000921