HHow to (Problem Solving S.)How to (Problem Solving S.)de Derek HoltonEdiciones (1)How to (Problem Solving S.) (1990)Mathematical Association · ISBN 9780906588116Más obras de Derek HoltonSSecond Step to Mathematical Olympiad ProblemsSecond Step to Mathematical Olympiad ProblemsCCreative Activities in Mathematics Bk. 3Creative Activities in Mathematics Bk. 3CCreative Activities in Mathematics Bk. 2Creative Activities in Mathematics Bk. 2