8Hojjati A. The amount of physical activity enjoyment in healthy - oriented and appearance - oriented [ A ]. ISSP. Abstracts of the ISSP 13th World Congress of Sport Psy- chology [ C ]. Beijing: Beijing Sport University, 2013 : 236.
9Chen L, Thcgersen- Ntoumani C, Zhang L W. The rela- tion between explicit and implicit physical self - esteem and physical activity: The mediating role of motivation [ A]. ISSP. Abstracts of the ISSP 13th World Congress of Sport Psychology [ C ]. Beijing: Beijing Sport University, 2013 : 237.
10Chen S P. Exercise behaviour and motivation during differ- ent stages of exercise [ A ]. ISSP. Abstraets of the ISSP 13th World Congress of Sport Psychology [ C]. Beijing: Beijing Sport University, 2013 : 115.