The song of independence, peace and firendship : (the 10th April Spring friendship art festival). / Written by Won Yong Rok; Edited by Ri Pok U; Phot. by Ri Min Chon et al. - Pyongyang : Korea Pictorial, 1992. - 104 p. : ill., muz. ; 23 cm. Subjects--Topical Terms: Festivals--Noord-Korea.Art--Noord-Korea