Ulva LM, Amalia R, Pahrul Y. Peningkatan Disiplin Anak Kelompok B TK Nurul Muhajirin Melalui Metode Token Ekonomi. JPTR [Internet]. 2021Nov.3 [cited 2024Jul.22];2(1). Available from: http://journal.universitaspahlawan.ac.id/index.php/jpt/article/view/2526