Ntoumanis, Nikos (1971-) A step-by-step guide to SPSS for sport and exercise studies / Nikos Ntoumanis - 1st pub - London : Routledge , 2001 - XII, 253 p. : il. ; 23 cm Indice Bibliografía: p. [249]-250 ISBN: 0-415-24978-3 Subjects--Uniform Titles: SPSS Subjects--Topical Terms: Estadística