Giữ vững sơn hà
Subtitle: những người trẻ làm nên lịch sử
By: Nguyẽ̂n Lương Bích.
Publisher: Thanh niên
Published: 1900
Place of publication: Hà Nội
Language: vie
Subjects: Battles -- Vietnam.; Vietnam -- History.; China -- Foreign relations -- Vietnam.; Vietnam -- Foreign relations -- China.
Notes: Includes bibliographical references.