W. Ashari and T. L. Wati, “The Effect of Smart Card Media Utilization on Learning Outcomes of Mathematics Subjects for Grade 1 Elementary School: Pengaruh Pemanfaatan Media Smart Card Terhadap Hasil Belajar Mata Pelajaran Matematika Kelas 1 SD”, acopen, vol. 6, p. 10.21070/acopen.6.2022.2278, Jun. 2022.