"""The Epics of the ethnic minority of Mnong edited by Do Hong Ky, compiled by Do Hong Ky and Vu Quang Dung is a collection, compilation, introduction to special epics of Vietnam Mnong folk treasure trove. The work is concluded 9 volumes. Vol. 4 of the work introduced the epic THUOC CA O HO BAU TROI, MAT TRANG epic document including main two parts: - The plot summary of the epic PTHUOC CA O HO BAU TROI, MAT TRANG . - Epic document THUOC CA O HO BAU TROI, MAT TRANG in Mnong transcription"". (From the Summary of the vol. 4) "