Piyamas Sirijaruwong. 1987. Clause and sentence in Mon (at Ban Khlongkhwai, Tambol Khlongkhwai, Amphoe Samkhok, Pathumthani province). Faculty of Graduate Studies, Mahidol University;

Piyamas Sirijaruwong. Clause and sentence in Mon (at Ban Khlongkhwai, Tambol Khlongkhwai, Amphoe Samkhok, Pathumthani province). . Bangkok:Mahidol University, 1987.

Piyamas Sirijaruwong. (1987) Clause and sentence in Mon (at Ban Khlongkhwai, Tambol Khlongkhwai, Amphoe Samkhok, Pathumthani province) . Mahidol University/Bangkok.