TRANSMISI TRANSGEN (PhGH) DAN PERFORMA PERTUMBUHAN IKAN LELE (Clarias gariepinus) TRANSGENIK F-3 Transmission of Transgene (PhGH) and Growth Performance Catfish (Clarias gariepinus) Transgenic F-3 - Habibullah, Sultan Akbar (Program Studi Manajemen Sumberdaya Perairan, Fakultas Pertanian Universitas Sumatera Utara, 2015)