ASHSHIDQI, M. A.; KUSUMA, Y. B. Pengaruh Bauran Pemasaran Terhadap Keputusan Pembelian Siswa SMA Dan Alumni Di Kabupaten Sidoarjo Atas Jasa Bimbingan Belajar Delta. Management Studies and Entrepreneurship Journal (MSEJ), [S. l.], v. 5, n. 5, p. 31–44, 2024. DOI: 10.37385/msej.v4i5.2678. Disponível em: https://yrpipku.com/journal/index.php/msej/article/view/2678. Acesso em: 5 jul. 2025.