Title: Lingala and Ciluba speech audiometry /
Authors: Muyunga, Yacioko Kasengulu.
Publisher: Presses universitaires du Zaïre,
Year: 1979
Subjects: Audiometry, Speech.; Lingala language Phonetics.; Luba-Lulua language Phonetics.; Audiometry, Speech Congo (Democratic Republic); Hearing levels Congo (Democratic Republic); Speech perception Congo (Democratic Republic)