1.
Engineering News
; 42(16), 2022.
Article
in English
| Africa Wide Information | ID: covidwho-1970549
2.
Mining Weekly
; 28(4), 2022.
Article
in English
| Africa Wide Information | ID: covidwho-1970548
3.
Mining Weekly
; 27(28), 2021.
Article
in English
| Africa Wide Information | ID: covidwho-1490150
4.
Engineering News
; 41(1), 2021.
Article
in English
| Africa Wide Information | ID: covidwho-1187631
5.
Engineering News
; 41(6), 2021.
Article
in English
| Africa Wide Information | ID: covidwho-1187630
6.
Mining Weekly
; 26(31), 2020.
Article
in English
| Africa Wide Information | ID: covidwho-1037702