Agustin, Safitri Devi, and Hilyah Ashoumi. “PERKEMBANGAN PSIKOLOGI ANAK USIA DINI Di KELOMPOK BERMAIN AL-FIRDAUS BAHRUL ‘ULUM TAMBAKBERAS JOMBANG”. JoEMS : Journal of Education and Management Studies, vol. 2, no. 4, Aug. 2019, pp. 49-52, http://ojs.unwaha.ac.id/index.php/joems/article/view/201.