00330nam a2200109Ia 450000500170000000800410001708200160005810000240007424500720009826000400017030000100021020260205105005.0260111s9999||||xx |||||||||||||| ||und||  a303.4  T73M  aTrivedi, Harshad R. 0aMicrosocial studies in development and change/by Harshad R. Trivedi  aAllahabadbChugh Publicationsc1977  a340p.