Title: Tamrā rīan ʻaksō̜n Thai bōrān
Subtitle: ʻaksō̜n Khō̜m Thai, ʻaksō̜n tham Lānnā, ʻaksō̜n tham ʻĪsān
First published: 2009
Description: On old Khmer and Lanna scripts.
Subjects: Khmer language, Writing, Northern Thai language, Northeastern Thai language, Comparative and general Grammar, Phonology