Penerapan sistem konstitutif yang dianut Undang-Undang No. 15 Tahun 2001 tentang merek: Studi kasus merek Superviton = The application of constitutive system adopted by Indonesian act no. 15 of the year 2001 concerning trademark - Kharisma Rani Timur, author (Program Pascasarjana Universitas Indonesia, 2007)