El gran secreto
Subtitle: cubanos en el Camino Ho Chi Minh
By: Raúl Valdés Vivó.
Publisher: Editora Politica
Published: 1990
Place of publication: La Habana
Language: spa
Number of pages: 247
Subjects: Vietnamese Conflict, 1961-1975 -- Participation, Cuban.; Ho Chi Minh Trail.; Cuba -- Armed forces -- History -- 20th century.