TAP CHi KHOA HQC DAI HQC \'AN LANG Dinh Thj Hoang Phmmg GIAM NGHEO VUNG DONG BAO DAN TOC THIEU SO TINH LAM DONG HIEN N.W PO VER TY REDUCTION IN ETHNIC MINORITY REGIONS IN LAM DONG PROVINCE TODA Y DISH THI HOANG PHlfaNG