Syaputra D, Putra YS, Ridwan M. Digital Portfolio Marketing Techniques Using New Media in Photography Study at Politeknik Negeri Media Kreatif. JIP [Internet]. 2021 Jul. 1 [cited 2025 Apr. 19];9(1):29-40. Available from: https://ojs2.polimedia.ac.id/index.php/JIP/article/view/185