BAO CAO TONC QUAN k Bien ddi khi hau toan cau voi sire khoe tre em GS TS Nguyen Cong Khanh HOI Nhi lihoa Viit Nam TOM T A T Khf hctu toiin ciu dang nong dan len, mirc nudc bi^n dling cao hon hiing nUm[.]
BAO CAO TONC QUAN k Bien ddi hau toan cau voi sire khoe tre em GS TS Nguyen Cong Khanh HOI Nhi lihoa Viit Nam TOM T A T Khf hctu toiin ciu dang nong dan len, mirc nudc bi^n dling cao hon hiing nUm, inh huAng d£n doi s6ng nhUn loai, tr£ em 1^ nhom c6 nhieu nguy co nhSt Anh hudng cAa bi@n ddi l(hf h