1.
Engineering News
; 42(3), 2022.
Article
in English
| Africa Wide Information | ID: covidwho-1970707
2.
Engineering News
; 42(7), 2022.
Article
in English
| Africa Wide Information | ID: covidwho-1970706
3.
Mining Weekly
; 27(27), 2021.
Article
in English
| Africa Wide Information | ID: covidwho-1489910