Dee ihe na-aga n'ihu maka paragraf a - Ụmụnne abụọ ahụ nwetara nsonaazụ kachasị mma n'ụwa, nke isii, na 1977 World Championships
na Tokyo, Japan, na 1978 World Championships na Ottawa, Canada. Nsonaazụ ha kachasị elu na kọntinent, nke ise, bịara na 1978 European Championship na Strasbourg, France.