Simanjuntak, Lusiyah, and Hasanuddin Hasanuddin. “The Effect of Project Method and Self-Concept on Emotional Intelligence of Children Age 5-6 Years”. Jurnal Obsesi : Jurnal Pendidikan Anak Usia Dini, vol. 6, no. 6, Oct. 2022, pp. 6006-1, doi:10.31004/obsesi.v6i6.2819.