Rosukhon Swatevacharkul และ Suphat Sukamolson. (2006) The effects of degrees of support for learner independence through web-based instruction and levels of general english proficiency on english reading comrehension ability of second year undergraduate learners. Chulalongkorn University:ม.ป.ท.Rosukhon Swatevacharkul และ Suphat Sukamolson. 2006. The effects of degrees of support for learner independence through web-based instruction and levels of general english proficiency on english reading comrehension ability of second year undergraduate learners. ม.ป.ท.:Chulalongkorn University;Rosukhon Swatevacharkul และ Suphat Sukamolson. The effects of degrees of support for learner independence through web-based instruction and levels of general english proficiency on english reading comrehension ability of second year undergraduate learners. ม.ป.ท.:Chulalongkorn University, 2006. Print.