Utami, F. H.; Lumbanbatu, E. M.; Aziz, M. F.; Rohayati, S. Development of "Triangle Pastle" D’croquette As a Culinary Business Assisted by Milkshake Media to Improve Students’ Entrepreneurial Spirit in the Era of Industrial Revolution 4.0. FINGER J. Ilm. Teknol. Pendidik. 2023, 2, 90-94.