www . l a i s ac . pa g e. tl  T T T Ì Ì Ì M  M  M  C C C Ự  Ự  Ự C C C T T T R R R Ị Ị Ị M  M  M Ộ Ộ Ộ T T T B B B I I I Ể Ể Ể U U U T T T H H H Ứ  Ứ  Ứ C C C B B B Ằ Ằ Ằ N N N G G G N N N H H H I I I Ề Ề Ề U U U C C C Á Á Á C C C H H H  Nguy ễ n N g ọc Kh oa laisac laisac