ANDREAS VARIANDY; TONY SITINJAK. PENGARUH PRODUCT, PRICE, PROMOTION & PROCESS TERHADAP PROSES KEPUTUSAN PENGGUNAAN JASA IJO WORKSHOP DI JAKARTA. JEMBA: JURNAL EKONOMI, MANAJEMEN, BISNIS DAN AKUNTANSI, [S. l.], v. 2, n. 5, p. 813–820, 2023. Disponível em: https://www.bajangjournal.com/index.php/JEMBA/article/view/6572. Acesso em: 13 jul. 2025.