Neco kunja kwa dziko:
Ndi ubwino waukulu wa kafukufuku ndi chitukuko, kupanga ndi kugulitsa, zinthu za Neco zimagulitsidwa bwino m'maiko ndi madera 20, kuphatikizapo United States, Canada, Argentina, Germany, France, Britain, Italy, Poland, Norway, Denmark, Finland, Australia, South Korea, Japan, ndi zina zotero.