CIIUdNG TRINH KX04 • DE TAl KX04-06 Chu nhi~m d~ tai: GS PlIAM TKf DONG A , " , ~ LU~ CUKHOA HQC CHO CAC CIllNH SACH NHAM pHA T HlNNANG LVC LAO DONG SANG T~O CUA GldI TRI TIIlrC VA SINll VIEN (Ba\l tOln Ult ) • IIA NQI, 1994 Phan mb dall NHII;M Vl), PHUONG PIlAP eVADE TAl KX.04.06 I Dat van de: Trong thai d~i nay, tri tu¢ tra tai nguyen qui gia nhat m9i tai nguyen Sl! vuan len lam chu dU