Nuttorn Lengcharoen. 2007. English for civil engineers at the Department of Highways, Thailand : from needs analysis to course design. Field of Study Communicative English, Ramkhamhaeng University;
Nuttorn Lengcharoen. (2007) English for civil engineers at the Department of Highways, Thailand : from needs analysis to course design . Ramkhamhaeng University/Bangkok.
Nuttorn Lengcharoen. English for civil engineers at the Department of Highways, Thailand : from needs analysis to course design. . Bangkok:Ramkhamhaeng University, 2007.
Nuttorn Lengcharoen. (2007) English for civil engineers at the Department of Highways, Thailand : from needs analysis to course design . Ramkhamhaeng University/Bangkok.