Lenny Mutiara Ambarita. ANALYSIS OF LEGAL CERTAINTY, LEGAL PROTECTION AGAINST CANCELLATION OF REGISTERED MARKS (STUDY OF DECISION NUMBER 03/PDT.SUS-MEREK/2015/PN NIAGA MEDAN). MORFAI [Internet]. 2023 Jul. 31 [cited 2024 Nov. 15];3(2):516-2. Available from: http://radjapublika.com/index.php/MORFAI/article/view/1118