From

An Analysis of Spatial Ability and Self-efficacy of Students in Cooperative Learning by Using Jigsaw at Smas Muhammadiyah 8 Kisaran

Dewi Purnama Sari, Edi Syahputra, Edy Surya

American Journal of Educational Research. 2018, 6(8), 1238-1244 doi:10.12691/education-6-8-25