Dampak konglomerasi terhadap risiko sistemik di sektor keuangan Indonesia = Impact of conglomeration activity towards risks at the financial sector in Indonesia / Bima Baskara Sakti,

Lubang hitam BTZ dan regular di dalam teori string energi rendah = BTZ and regular black hole in the low energy string theory

Orbit Foton Sferis di Sekitar Lubang Hitam Berotasi Reguler = Spherical Photon Orbits Around Regular Rotating Black Hole

Orbit sferis non-ekuatorial foton di sekitar lubang hitam kerr-newman= Spherical photon orbit around a kerr-newman black hole

Lubang Hitam dan jagat Bayi dan Esei-esei Lain