L. Nanu, C. Ploeșteanu, and G. Gheorghiu, “An In-depth study on the effect of stretching exercises on the body sculpting of teenage girls of 11 – 12 years old”, Annals of “Dunarea de Jos” University of Galati. Fascicle XV, Physical Education and Sport Management, vol. 1, pp. 115-121, Jul. 2013.