https://www.thecmsindia.org/resources/resources-for-researchers/no-800-to-751/syriac-east-meets-latin-west-part-1-sambah-lesan-and-kollan-dasne
AP 241 - Syriac East meets Latin West Part 1: Sambah Lesan and Kollan Dasne.
ChristianMusicologicalsocietyofIndia.com