Phommasouvanh, B., Vang, L., Vang, L., & Thao, L. (1988). Phau qhia txog Minnesota cov tsev kawm ntawv rau cov niam txiv uas muaj cov me nyuam paub lus askiv tsis tau zoo pes tsawg. [Saint Paul]: Minnesota Dept. of Education.

Phommasouvanh, Bounlieng, Lopao Vang, Lyfu Vang, and Lee Thao. Phau Qhia Txog Minnesota Cov Tsev Kawm Ntawv Rau Cov Niam Txiv Uas Muaj Cov Me Nyuam Paub Lus Askiv Tsis Tau Zoo Pes Tsawg. [Saint Paul]: Minnesota Dept. of Education, 1988.

Phommasouvanh, Bounlieng, Lopao Vang, Lyfu Vang, and Lee Thao. Phau Qhia Txog Minnesota Cov Tsev Kawm Ntawv Rau Cov Niam Txiv Uas Muaj Cov Me Nyuam Paub Lus Askiv Tsis Tau Zoo Pes Tsawg. [Saint Paul]: Minnesota Dept. of Education, 1988.