SOCIO - ECONOMIC AND ENVIRONMENTAL IMPACT OF BIO GAS PROGRAMME WITH SPECIAL REFERENCE TO THE KARUNAPURAM AND KANCHIYAR PANCHAYATHS OF IDUKKI DISTRICT: WITH SPECIAL REFERENCE TO THE KARUNAPURAM AND KANCHIYAR PANCHAYATHS OF IDUKKI DISTRICT.
Autor: KURIAN, P.K
Vydáno: (2004)