Rāingān kānwičhai rư̄ang rabop kānkhīan-ʻān Thai-Lāo
By: Katanyū Chūchư̄n.
Contributors: Sathāban Rātchaphat Phetchaburī.
Publisher: Sathāban Rātchaphat Phetchaburī
Published: 1999
Place of publication: [Phetchaburi]
Language: tha
Number of pages: 113
Description: Research report on the origin of Thai-Lao alphabets and the evolution of Thai-Lao writing and reading system.
Notes: Includes bibliographical references (leaf [112]-113).

In Thai, with summary in English.