M. Ningsih, “(Effort Increasing Learning Math Results through Cooperative Learning Method of Contextual Teaching and Learning Type in Students of Grade IV D SD Negeri 187 Pekanbaru): UPAYA MENINGKATKAN HASIL BELAJAR MATEMATIKA MELALUIMETODE PEMBELAJARAN KOOPERATIF TIPE CONTEXTUAL TEACHING AND LEARNING PADA SISWA KELAS IV D SD NEGERI 187 PEKANBARU”, Perspektif, vol. 9, no. 1, pp. 49–58, Apr. 2018.