Dayu, Jania Amara Tegarin, and Olievia Prabandini Mulyana. “Eksplorasi Efikasi Diri Pada Atlet Taekwondo Poomsae Surabaya: Perseverance, Confidence, and Adaptability”. Character Jurnal Penelitian Psikologi, vol. 12, no. 02, Oct. 2025, pp. 928-37, doi:10.26740/cjpp.v12n02.p928-937.