Kamonwan Thongthep. 2007. A study of the use of instructional media in teaching English among teachers at Rajamakala [sic] of technology Tawan-ok, Chakrabongse Bhuvanat[sic] Campus. , Thammasat University; DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.71
Kamonwan Thongthep. (2007) A study of the use of instructional media in teaching English among teachers at Rajamakala [sic] of technology Tawan-ok, Chakrabongse Bhuvanat[sic] Campus . Thammasat University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.71
Kamonwan Thongthep. A study of the use of instructional media in teaching English among teachers at Rajamakala [sic] of technology Tawan-ok, Chakrabongse Bhuvanat[sic] Campus. . Bangkok:Thammasat University, 2007. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.71
Kamonwan Thongthep. (2007) A study of the use of instructional media in teaching English among teachers at Rajamakala [sic] of technology Tawan-ok, Chakrabongse Bhuvanat[sic] Campus . Thammasat University/Bangkok. DOI : https://doi.nrct.go.th/ListDoi/listDetail?Resolve_DOI=10.14457/TU.the.2007.71