Gaya APA

ca., H, A, S, S, M, A, C, ;, F, S, M, A. et al (). Analysis Learning Obstacle Understanding of Mathematical Concept of Students Material Pattern of Numbers, Sequence and Series on Learning with Scientific Approach in SMP Negeri 106 Jakarta . Jakarta: .

Gaya MLA

ca., H., Ahmad, Subaki,, S.e.,, M.m.,, Ak.,, Ca., ;, Fitrisia,, S.e.,, M.si.,, Ak.,. et al. "Analysis Learning Obstacle Understanding of Mathematical Concept of Students Material Pattern of Numbers, Sequence and Series on Learning with Scientific Approach in SMP Negeri 106 Jakarta". Jakarta: , . Text.