R. O. Halawa, W. Sri Widiarty, and F. Fauzan, “ISSUANCE OF DOUBLE CERTIFICATE OF SUPER MARIO BROS BRAND IN THE GENERAL DIRECTORATE OF INTELLECTUAL PROPERTY (Case Study Number 650 K/Pdt.Sus-HKI/2021)”, Scientia, vol. 12, no. 02, pp. 1601-1611, May 2023.