Ukwetjiwa kweenkoloyi ezidala eSewula Afrika

Ukwetjiwa kweenkoloyi ezidala esewula Afrika, semkhuba omutjha okhona emalangeni esiphila kiwo la, ngombana amalanga la iingebengu sezizithathela iinkoloyi ezidala ngebanga lokobana zona azinalo izinga le theknoloji eselikhona enkoloyini ezitja nofana eziqeda ukwenziwa amalanga la, ngalokho ke kwenza bonyana kube lula bonyana iingebengwezi zikwazi ukuzithatha lula ngaphandle kokobana zitlhage.https://rucore.libraries.rutgers.edu/rutgers-lib/36286/

 Iinkoloyi ezetjiwako 
iinzathu ezenza bona iinkoloyi ezidala zetjiwe khulu malangala kukobana iinsimbi zakhona zokobana zilunge azisatholakali entolo, ngesibanga sokobana sekungezakade khulu begodu eentolo sebaphatha iinsimbi zenkoloyi zanamhlanjesi. yeke ke lokhu kwenza bona iinkoloyi ezidala zingasakwazi ukulungiseka, lokhu kumthelela omumbi ekoloyini ezidala ngombana uthola bonyana abanikazi bazo basazithanda  begodu bangenza nanyana yini ukwenza bona iinkoloyi zabo zihlala zisesimeni isihle sepilo. Okwenza bona iinlelesi zikwazi ukuthatha inkoloyezi kangaka kukobana bayakwazi ukuzidumisa ngentambo nangezinye indlela zokobana bazidumise lula.https://journals.library.ualberta.ca/pandpr/index.php/pandpr/article/view/29434

 Isilululwazi