HIDAYATULLAH, A. S. .; TRISMAWATI, T.; TJAHJANINGSIH, Y. S. . Implementation of Interactive Digital Marketing with the 7P Marketing Concept to Increase Customer Interest on Fly Ash and Bottom Ash Products at PT PJB UP Paiton: Penerapan Interactive Digital Marketing Dengan Konsep 7P Marketing Untuk Menaikkan Customer Interest Produk Fly Ash dan Bottom Ash di PT PJB UPPaiton. Procedia of Engineering and Life Science, [S. l.], v. 3, 2022. DOI: 10.21070/pels.v3i0.1311. Disponível em: https://pels.umsida.ac.id/index.php/PELS/article/view/1311. Acesso em: 2 sep. 2025.