Zainidar (2020) “Improving Learning Outcomes of Mathematical Operations Using Whole Numbers Media Card Bridge In Class II students: Meningkatkan Hasil Belajar Matematika Operasi Bilangan Cacah Menggunakan Media Kartu Bridge Pada siswa Kelas II”, International Journal of Technology Vocational Education and Training, 1(2), pp. 97-102. doi: 10.46643/ijtvet.v1i2.62.