PPKI UMSU Speaker of Intellectual Property Seminar at STKIP AL Maksum Langkat
PPKI UMSU Speaker of Intellectual Property Seminar at STKIP AL Maksum Langkat Medan: The Intellectual Property Management Center of Universitas Muhammadiyah ...
PPKI UMSU Speaker of Intellectual Property Seminar at STKIP AL Maksum Langkat Medan: The Intellectual Property Management Center of Universitas Muhammadiyah ...


