The official website網際網路檔案館的存檔，存檔日期2017-09-12. adopts the "G-15" orthography (with a hyphen) in order to distinguish an abbreviated reference to this group -- contrasts with other similarly named entities.
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Lokesh, Chandra, & International Academy of Indian Culture. (2000). Society and culture of Southeast Asia: Continuities and changes. New Delhi: International Academy of Indian Culture and Aditya Prakashan.
R. C. Majumdar, Study of Sanskrit in South-East Asia
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R. C. Majumdar, Suvarnadvipa, Ancient Indian Colonies in the Far East, Vol.II, Calcutta,
R. C. Majumdar, Hindu Colonies in the Far East, Calcutta, 1944, ISBN99910-0-001-1 Ancient Indian colonisation in South-East Asia.
R. C. Majumdar, History of the Hindu Colonization and Hindu Culture in South-East Asia
