2 literature references:

Author: Khoa, T.T. and T.T.T. Huong
Year: 1993
Title: Dinh Loai Cá Nuóc Ngot Vùng Dông Bang Sông Cuu Long.
Source: Khoa Thuy San Truong Dai Hoc Can Tho, p 3-8.
Author: Davidson, A.
Year: 1975
Title: Fish and fish dishes of Laos.
Source: Imprimerie Nationale Vientiane. 202 p.