SANI RAMADHAN PUTRA, FADHILA. ANALISIS LAYANANLEMBAGA BIMBINGAN BELAJAR (LBB)(Studi Kasus Di Lembaga Bimbingan Belajar Sony Sugema College (SSC) Jalan Kaca Piring,Surabaya). J+PLUS UNESA, [S. l.], v. 5, n. 1, 2016. Disponível em: https://ejournal.unesa.ac.id/index.php/jurnal-pendidikan-luar-sekolah/article/view/16338. Acesso em: 23 jun. 2025.