Andra, Doni and Rosyid, M Farchani and Hermanto, Arief (2019) Theoretical study of interaction between matter and curvature fluid in the theory of f(R)-gravity: Diffusion and friction. International Journal of Geometric Methods in Modern Physics, 16 (3). 1950045-1-1950045-26. ISSN 1793-6977

Rumiyanti, Leni and Rosyid, M Farchani Singularitas Ruang-Waktu Bermetrik De Sitter dalam Relativitas Umum. Jurnal Teori dan Aplikasi Fisika, 4 (1). pp. 115-118. ISSN 2303-016X

Rumiyanti, Leni and Rosyid, M Farchani Singularitas Ruang-Waktu Bermetrik Kerr dan Kerr-Newman dalam Teori Relativitas Umum. SIMETRI, 2 (3). 2314-81-2314-84. ISSN 2301-7112