Ken Rangga Bagas Prakusya, and Maria Prima Novita. “MENANGKAL KECEMASAN BERBICARA DI DEPAN UMUM: PERAN SELF EFFICACY PADA MAHASISWA UNIVERSITAS KRISTEN SATYA WACANA”. Journal of Innovation Research and Knowledge, vol. 5, no. 6, Nov. 2025, pp. 7109-18, https://bajangjournal.com/index.php/JIRK/article/view/11682.