Uyini umcwaningi wamabhuku ezimali?
Umcwaningi wamabhuku ezimali uchwepheshe ekuhloleni umthelela wezimali wengozi nokungaqiniseki. Basebenzisa izindlela zezibalo nolwazi lomkhakha lochwepheshe. Ngokuvamile ososayensi bezinhlelo zemali basebenza embonini yomshuwalense neyebhange.