1. Tosolola na Lingála = Let's speak Lingála : a multidimensional approach to the teaching and learning of Lingála as a foreign language
by Eyamba Georges Bokamba, Molingo Virginie Bokamba 
Price: USD 116.11
Dealer: AbebooksUK, Joseph Burridge Books
Description: ISBN10: 096795875X, ISBN13: 9780967958750, [publisher: Bloomington, Indiana : NALRC Press] Softcover xxx, 492 pages : illustrations, maps ; 27 cm. [Chadwell Heath, United Kingdom] [Publication Year: 2005]