Agya Sewara Alam
Orbit sferis non-ekuatorial foton di sekitar lubang hitam kerr-newman= Spherical photon orbit around a kerr-newman black hole
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2022
 UI - Tesis Membership
Huffer, Charles M.
An Introduction to astronomy / Charles M. Huffer
Holt Rinehart & Winston, 1967
 Buku Teks
Hodge, Paul W.
Concepts of contemporary astronomy / Paul W. Hodge
McGraw-Hill, 1974
 Buku Teks
Baker, Robert H.
Astronomy
D. Van Nostrand, 1964
 Buku Teks
Chapman, Robert D.
Discovering astronomy
W.H. Freeman, 1978
 Buku Teks