Prima E, Lestari PI. The Improvement of The Discipline for Early Childhood Through Token Economy Technique. J. Obs. J. Pendidik. Anak Usia Dini [Internet]. 2018 Dec. 8 [cited 2026 Oct. 22];2(2):247-54. Available from: https://mail.obsesi.or.id/index.php/obsesi/article/view/124