NGUYEN XUAN TRUONG著 NGUYEN XUAN TRUONG NGUYEN HOANG TU著 NGUYEN DUC, TRUNG著 NGUYEN DUC, TRUNG NGUYEN XUAN THI DIEP著 NGUYEN HOANG TU NGUYEN ANH, VU著 NGUYEN VAN HAI著 NGUYEN, VAN SON著