Efficiency walking and jogging

Sonraí bibleagrafaíochta
Príomhchruthaitheoir:	Hagerman, Gene R.
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	Toronto, New York Bantam Books c1987.
Ábhair:	Physical education and training. Fitness walking > Training. Jogging > Training.