Kalonta, Salsabila, Riane Johny Pio, and Danny D. S. Mukuan. 2023. “Pengaruh Promosi Terhadap Impulse Buying Kolektor Merchandise KPop Di Kota Jakarta”. Productivity 4 (3):353-61. https://ejournal.unsrat.ac.id/v3/index.php/productivity/article/view/47476.