“Implementing a Marketing Program to Improve Product Knowledge Based on Stimulus–Organism–Response (S-O-R) in the Telecommunications Industry”. Jurnal Ecogen 8, no. 4 (December 19, 2025): 614–631. Accessed June 18, 2026. https://pek.ppj.unp.ac.id/index.php/ecogen/article/view/29.