EL SAYED, Hussain Ismail Mohamed. The impact of teaching the circle unit to the students of the first grade secondary using blending learning through discovery and e-learning strategy on academic achievement. Arab Journal for Sciences and Research Publishing, New Mexico, United States, v. 2, n. 7, p. 23, 2016. DOI: 10.26389/AJSRP.H87274. Disponível em: https://ajsrp.ojsexpert.com/index.php/ajsrp/article/view/1519. Acesso em: 20 dec. 2025.