Study protocol: Using the Q-STEPS to assess and improve the quality of physical activity programmes for the elderly A.I. Marques M.J. Rosa M. Amorim P. Soares A. Oliveira-Tavares R. Santos J. Mota J. Carvalho Publication Journal: BMC Research Notes Year of Publication: 2012 Volume: 5 Identifiers Other Numbers: 2-s2.0-84862172388 Alternative titles DOIGoogle ScholarBibTeXRIS Locators