Tulashi Devi Pradhan. 2014. Effects of cooperative learning on mathemtics achievement and social skills of the sixth grade students of mendrelgang primary school in bhutan. , Naresuan University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/NU.the.2014.79

Tulashi Devi Pradhan. Effects of cooperative learning on mathemtics achievement and social skills of the sixth grade students of mendrelgang primary school in bhutan. . Phitsanulok:Naresuan University, 2014. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/NU.the.2014.79

Tulashi Devi Pradhan. (2014) Effects of cooperative learning on mathemtics achievement and social skills of the sixth grade students of mendrelgang primary school in bhutan . Naresuan University/Phitsanulok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/NU.the.2014.79