Efficiency walking and jogging

ग्रंथसूची विवरण
मुख्य लेखक:	Hagerman, Gene R.
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	Toronto, New York Bantam Books c1987.
विषय:	Physical education and training. Fitness walking > Training. Jogging > Training.