5 BAHAN BAKU PERCAYA DIRI: (SELF CONFIDENCE: The Foundation Of Life Skill Intelligence). [s.l.] : PENERBIT KARYA BAKTI MAKMUR (KBM) INDONESIA,2025. Disponível em: https://librarypenerbitkbm.science/index.php/buku/catalog/book/189. Acesso em: 2 okt. 2026.