Śrī Laṅkā guvan viduliya
Subtitle: vădagat siduvīm, 1921-1989
By: Nandana Karuṇānāyaka.
Publisher: Jana Mādhya saha Jātika Pratipatti Paryēṣaṇa Kēndraya (Jana Kēndraya)
Published: 1989
Place of publication: Moruṭuva
Language: sin
Number of pages: 88
Subjects: Radio broadcasting -- Sri Lanka -- Chronology
Notes: In Sinhalese. 
Significant dates and events in radio broadcasting in Sri Lanka.