Humanities Curriculum Project. Evaluation Unit & Verma, G. K. (1980). The impact of innovation. Centre for Applied Research in Education, University of East Anglia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHumanities Curriculum Project. Evaluation Unit और Gajendra K. Verma. The Impact of Innovation. Norwich: Centre for Applied Research in Education, University of East Anglia, 1980.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHumanities Curriculum Project. Evaluation Unit और Gajendra K. Verma. The Impact of Innovation. Centre for Applied Research in Education, University of East Anglia, 1980.
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