“Acquisition and the Development of the Third Children AGE THREE YEARS in Education of Children Age Laboratory School University Nusantara PGRI Kediri”. PROCEEDING: The Annual International Conference on Islamic Education 3, no. 1 (February 14, 2018): 311–319. Accessed November 6, 2026. http://jurnal.stitnualhikmah.ac.id/index.php/proceedings/article/view/306.