Yukawa, Yasutoshi, 1941- A classified vocabulary of the Nkoya language / Yatutoshi Yukawa . - Tokyo : Institute of Asia and Africa (ILCAA), 1967. - 74 p. ; 26 cm. - Bantu vocabulary series ; 2. . Subjects--Topical Terms: Bantu languages.Nkoya (African people)--Language. Dewey Class. No.: 496.393