Sistemụ Ebe Nchekwa Ihe Mgbagọ 6 nke Sri Lanka

Ọrụ a nke buru ibu na-aga n'ihu. Ọ bụ sistemụ ebe a na-adọba ụgbọala nke nwere ọkwa isii. Ọ dị elu, yabụ ejiri ya kreen buru ibu.