Rāingān kānwičhai rư̄ang kānsưksā kānkračhāi khō̜ng kham sap nai Čhangwat Phitsanulōk
By: dōi Somsong Burutphat.
Publisher: Sathāban Wičhai Phāsā læ Watthanatham phư̄a Chonnabot, Mahāwitthayālai Mahidon
Published: 1981
Place of publication: [Bangkok]
Language: tha
Number of pages: 128
Description: Presentation of author's thesis that Phitsanulok Province be considered a part of central region based on predominant use of Bangkok Thai vocabulary as against north or northeastern.
Notes: Includes bibliographical references (p. 126-128).
In Thai.
Cover title: Kānsưksā kānkračhāi khō̜ng khamsap nai Čhangwat Phitsanulōk.
Summary in English.