P rawat læ phatthanākān Bō̜risat Witthayu Kānbin hǣng Prathēt Thai Čhamkat.
Publisher: Bō̜risat Witthayu Kānbin hǣng Prathēt Thai
Published: 1966
Place of publication: [Bangkok]
Language: eng
Number of pages: 17
Description: On development of aeronautical telecommunication system in Thailand.
Notes: In Thai.