Bo-rasaense ba Univesithi ea Tomsk Polytechnic ba ntlafatsa theknoloji ea ho fumana menontsha ea liminerale
Bafuputsi Univesithing ea Tomsk Polytechnic ba ntlafatsa theknoloji ea ho hlahisa menontsha ea liminerale ka ho fetola liminerale tsa letsopa glauconite le smectite, ...
