Friday, September 11, 2015

मूल्यमापन : प्रात्यक्षिक परीक्षांद्वारे

1 comment:

Lavate Rajendra said...

Yes, All the scientific investigations are going through the trial and error method..and its continuous process going on throughout the world.. the topmost recent methods are published time to time to spread this scientific knowledge through the books, journals and monographs..which are and will be revised..

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