INDUDEWI, Yuanita Ratna; HARTONO, Wendra; CHANG, Deanna Rhea; KARANG, Aurey Andrea; WIDJAJA, David Putra. Eksplorasi Peningkatan Keahlian Public Speaking melalui Seni Berbisnis Sejak Usia Dini (Siswa-Siswi SMA Citra Berkat Surabaya). Jurnal Leverage, Engagement, Empowerment of Community (LeECOM), [S. l.], v. 5, n. 2, p. 183–190, 2023. DOI: 10.37715/leecom.v5i2.4255. Disponível em: https://ojs.somebut.my.id/index.php/LeECOM/article/view/4255. Acesso em: 19 feb. 2026.