In Phongsaly Province, Laos, Phongku is spoken in Phongku Long, Bun Tay District (Kingsada 1999). Another group called pʰɔŋ33ku55 or Phu-Lawa speaks a closely related language variety in Phongkulong village, Bun Tay District (Shintani 2001).
References
^Bradley, David (2007). "Language Endangerment in China and Mainland Southeast Asia". In Matthias Brenzinger, ed. Language diversity endangered. New York: Mouton de Gruyter.
Sources
Kingsadā, Thō̜ngphet, and Tadahiko Shintani. 1999 Basic Vocabularies of the Languages Spoken in Phongxaly, Lao P.D.R. Tokyo: Institute for the Study of Languages and Cultures of Asia and Africa (ILCAA).
Shintani, Tadahiko, Ryuichi Kosaka, and Takashi Kato. 2001. Linguistic Survey of Phongxaly, Lao P.D.R. Tokyo: Institute for the Study of Languages and Cultures of Asia and Africa (ILCAA).
Wright, Pamela Sue. n.d. Singsali (Phunoi) Speech Varieties Of Phongsali Province. m.s.