|Theses and Dissertation|
The Development and Validation of a Cloze Test of English Grammar.
Bangkok: Faculty of
Education, Chulalongkorn University.
1976 Using Language Laboratory for Teaching Listening Comprehension: Techniques and Material Preparation. Singapore: Regional English Language Centre.
1979 Six Factors Affecting Thai Studentsí Achievement in Learning English as a Foreign Language. Scotland: Faculty of Applied Linguistics, University of Edinburgh.
1985 The Effects of Item Weights on English Reading Comprehension Tests with Different Schemata. Bangkok: Faculty of Education, Chulalongkorn University.