Richi Razak, Nindya Kartika Kusmayati, Yuli Kurniawati. “Analisa Limbah Jelantah Sebagai Model Bisnis Sosial Ecopreneurship Di SDN Rungkut Menanggal I Surabaya”. Social Sciences Journal, May 2024, pp. 28-37, https://journal.pdphi.com/index.php/SSJ/article/view/56.