Trudc het Id nhirng nirdc cd trinh do phdt trien cao: O day viec quan ly phat trien
xa hdi gan nhu hoan thien vdi he thdng luat phap chuan muc ciing nhifng ca che chat che va
phuong phap dieu hanh hieu qua. Dd la nhii'ng mau hinh can dupc khad sat, sdng cai khd la tir trinh dp rat cao,[r]