An toàn khu 1
By: Doãn Thị Lợi.
Publisher: Nhà xuá̂t bản Đại học quó̂c gia Hà Nội
Published: 2000
Place of publication: [Hà Nội]
Language: vie
Number of pages: 135
Notes: Includes bibliographical references (p. 125-133).