HUSSEIN, Amenah; MAJED, Sadulla; HASAN, Uday. Effect of employing the knowledge economy using the problem-solving strategy on the learning of basic tennis skills. SPORT TK-EuroAmerican Journal of Sport Sciences, [S. l.], v. 12, p. 3, 2023. DOI: 10.6018/sportk.545921. Disponível em: https://revistas.um.es/sportk/article/view/545921. Acesso em: 12 sep. 2026.