Effect of Star Board Rewards on Learning Motivation of 4-5 Year-Old Children: A Quantitative Experimental Study: Pengaruh Reward Papan Bintang Terhadap Motivasi Belajar Anak Usia 4-5 Tahun: Sebuah Studi Eksperimen Kuantitatif. ijemd 2023, 18 (3). https://doi.org/10.21070/ijemd.v21i4.775.