ID:DA06660374
Bovornsiri, Varaphorn
Bovornsiri, Varaporn
Varaporn Bovornsiri
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Varaporn [i.e. Varaphorn] Bovornsiri
Regional Institute of Higher Education and Development 1985 RIHED occasional paper no. 23
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by Varaphorn Bovornsiri
University Microfilms International [1976]