Home › Authors › K. E. Selkirk 👤 K. E. Selkirk 6 books Books by K. E. Selkirk Longman mathematics handbook Longman mathematics handbook 1991 A booklist for secondary mathe A booklist for secondary mathematics education 1989 Fifty per cent proof 1989 Pattern and place 1982 Chi-squared and contingency ta Chi-squared and contingency tables 1980 Significance testing 1974