Ndi chitukuko cha sayansi ndi ukadaulo, zinthu zambiri zatsopano zogwira ntchito ndi zinthu zimabwera pamsika. NDC, pitilizani kutsatsa zofuna, zomwe zikugwirizana ndi akatswiri azachipatala ndipo adapanga zida zapadera zokhala ndi makampani achipatala. Makamaka panthawi yovuta pamene co ...
Werengani zambiri 
