Banda, Fackson
2009; 87 p. ; 978-92-3-104097-9
Various authors
2002; 62 p.
Fraser, Colin; Restrepo Estrada, Sonia
2001; 100 p.
Kyazze, Sim; Berger, Guy
2008; 96 p. ; CI.2008/WS/9
Berger, Guy; Matras, Corinne
2007; 55 p. ; CI.2007/WS/8 REV.
2009; 153 p.
Kpanbayeazee Duworko, Samuel; Kpargoi, Lamii; Randall, Lawrence
2008; 25 p.
2007; 150 p. ; CI.2007/WS/7 REV.
2004; website + CD-ROM
Jackson, Ingrid; Jackson, Keith; Charley, Philip; Hadlow, Martin; Stewart, Heather; Austin, John; Grundy, Bruce
2007; CD-ROM