Pertiwi, Ika Ratna, Supawi Pawenang, and Solichul Hadi. “KAJIAN PENGARUH PSIKOLOGIS, SOSIAL DAN PROMOSI TERHADAP KEPUTUSAN PEMBELIAN DONAT BROWNIES (DONIES) SOLO DI SURAKARTA”. JURNAL ILMIAH EDUNOMIKA 4, no. 01 (March 3, 2020). Accessed July 1, 2025. https://www.jurnal.stie-aas.ac.id/index.php/jie/article/view/759.