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53 Ways to Ask Questions Mathematical and Statistics

By HUBBARD , Ruth . London : Technical and Educational Services Ltd , 1995 . x ,188 p . : , includes reference 0947885625

By HUBBARD, Ruth . UK : Technical and Educational Services Ltd , 1991 . 150 p . : , includes reference 094788565

By HUBBARD,Ruth. United Kingdom Technical and Educational Services 1991 . 150 pp 21 cm. 094788565

By HUBBARD,Ruth. Bristol Cromwell Press 1995 . x,188pp 21cm. 0947885625

By HUBBARD, Ruth. United State Technical and Educational Services Ltd 1995 . x,188pp 21cm. 0 947885 62 5