Riswandi, F. N. “Outbound-Based Ice-Breaking Innovation for Early Childhood Education Teachers”. Nusantara of Research : Jurnal Hasil-Hasil Penelitian Universitas Nusantara PGRI Kediri, vol. 10, no. 4, Dec. 2023, pp. 425-39, doi:10.29407/nor.v10i4.21909.