santosh upadhyay non verbal communication performance learner efficiency communication skill coverage of content environment person related assesse assessor subject related context of assessment strategies of verbal communication picture activity sampreshan yuktiya vachan ke vividh paksh bhasha ki paribhasha comunicaciã³n samvad sampreshan vachan kaushal vachan shrvan kaushao bhasha kaushal bhasha shalini varges social i santosh communication physiognomy articulation of speech movements postures facial expressions gestures language across curriculum language social stimulation
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