Tsib Hlis 2011 - Peb xyoo 2010 "xyoo-ib-ib-nraug" txhua daim ntawv tshaj qhia, hauv PDF hom ntawv.
Qeb:Kev pabcuam
2010 Kev Tshaj Tawm Qhia Txhua Xyoo
Tshaj tawm
Tsib Hlis 2011 - Peb xyoo 2010 "xyoo-ib-ib-nraug" txhua daim ntawv tshaj qhia, hauv PDF hom ntawv.
