"Athikele : HILER W & PAUL R 2005 Kaelopotlana go ba ba rutang : Ditsela tse di mosola tsa go rotloetsa go ithuta mmogo ka tlhagafalo . www.criticalthinking.org Letlha le e simolotseng go dirisiwa ka lone : 13 Tlhakole 2008 . "