6 - Phau Ntawv Qhia Txog Kev Kawm Tus Kheej Tsis Nyob Hauv Cheeb Tsam
6 - Phau Ntawv Qhia Txog Kev Kawm Tus Kheej Tsis Nyob Hauv Cheeb Tsam
Ua raws li qhov txuas no txhawm rau nkag mus rau kev cob qhia: https://rise.articulate.com/share/9RqNsYV0fRZN8FQ1qY10aFRW48OuEI36.