സാമൂഹികപഠനം എന്ന സിദ്ധാന്തം ആവിഷ്കരിച്ച മനഃശാസ്ത്രജ്ഞൻ ആര് ?
Aഇ.എൽ. തോൺഡേക്ക്
Bലെ വൈഗോട്ട്സ്കി
Cആൽബർട്ട് ബന്ദുര
Dബി.എഫ്. സ്കിന്നർ
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