48. M. Khalil, F. Naumi, U. Pratomo, T.A. Ivandini, G.T.M. Kadja, J.Y. Mulyana. “Coexposed TiO2’s (001) and (101) facets in TiO2/BiVO4 photoanodes for an enhanced photocatalytic fuel cell”. Applied Surface Science, 542, 148746. (2021).

47. M. Khalil, G.T.M. Kadja, M.M. Ilmi. “Advanced nanomaterials for catalysis: Current progress in fine chemical synthesis, hydrocarbon processing, and renewable energy”. Journal of Industrial and Engineering Chemistry, 93, 78-100. (2021).

46. I. Arifin, G.T.M. Kadja, C.L. Radiman. “Improving the Viscosity of Partially Hydrolyzed Polyacrylamide (PHPAM) Solution for Enhanced Oil Recovery (EOR) Application”. Key Engineering Materials 874, 45-49. (2021).

45. Ismunandar, N. Nurdini, M.M. Ilmi, E. Maryanti, G.T.M. Kadja. “Investigation on the Crystal Structures of Hematite Pigments at Different Sintering Temperatures”. Key Engineering Materials 874, 20-27. (2021).

44. F. Primayudha, D.N. Sahdarani, G.T.M. Kadja. “The relationship of volcanic facies and temperature range derived from the associated clay mineral in Gunung Endut, Banten”. Journal of Physics: Conference Series 1725(1), 012073. (2021).

43. M. Kurniawati, N.J. Azhari, G.T.M. Kadja, R.R. Mukti, S. Notodarmojo. “Conversion of coal fly ash into advanced crystalline materials”. IOP Conference Series: Earth and Environmental Science 623(1), 012040. (2021).

42. N.J. Azhari, S. Mardiana, G.T.M. Kadja. “On the Effectiveness of Hierarchical Zeolite Catalyst for Isomerization of Biomass-Derived Compound”. Journal of Research and Development on Nanotechnology 1 (1), 23-27. (2021).

41. G.T.M. Kadja, N.J. Azhari, R.R. Mukti, M. Khalil. “A Mechanistic Investigation of Sustainable Solvent-Free, Seed-Directed Synthesis of ZSM-5 Zeolites in the Absence of an Organic Structure-Directing Agent”. ACS Omega 6(1), 925–933 (2020).

40. I.A. Nurani, P. Setiawan, M.M. Ilmi, N. Nurdini, G.T.M. Kadja, Ismunandar. “Faktor Penyebab Nihilnya Gambar Cadas Prasejarah Di Kawasan Gunung Sewu, Jawa”. PURBAWIDYA: Jurnal Penelitian Dan Pengembangan Arkeologi, 9(2), 95–112. (2020).