Khamboly Dy. A history of Democratic Kampuchea, 1975-1979 / Khamboly Dy. - [Phnom Penh, Cambodia] : Documentation Center of Cambodia, 2007. - 73 p. : ill. (some col.), maps ; 28 cm. Includes bibliographical references (p. 67-69). ISBN: 9995060043 LCCN: 2007305686 LC Class. No.: MLCM 2009/41238 (H) Dewey Class. No.: 950