HAFRIDA, L.; ALFANI, M. H. Pengaruh Pembuatan Ecobrick Terhadap Tingkat Kepedulian Lingkungan pada STIE TN Dumai . Management Studies and Entrepreneurship Journal (MSEJ), [S. l.], v. 1, n. 2, p. 127–132, 2020. DOI: 10.37385/msej.v1i2.102. Disponível em: https://www.yrpipku.com/journal/index.php/msej/article/view/102. Acesso em: 7 jul. 2025.