بوختاش ب, الذيب ب. The use of SIG in studying the effect of the characteristics of playing equipments on the children’s playing methods: Case of Ben Boulaid Square – Batna. َ [انترنت]. 4 مايو، 2024 [وثق 22 يوليو، 2024];8(2):31-9. موجود في: https://journals.univ-batna.dz/index.php/leve/article/view/4051