44. 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).

43. 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).

42. 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).

41. 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).

40. 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).

39. M. Khalil, R.M. Iqbal, G.T.M. Kadja, D. Djuhana. “Recent Advances on Plasmon-enhanced Titania Nanocatalysts for Photocatalytic Degradation of Organic Dyes”. Journal of the Indonesian Chemical Society 3(3), 117-117. (2020).

38. G.T.M. Kadja, T.R. Suprianti, M.M. Ilmi, M. Khalil, R.R. Mukti. “Sequential mechanochemical and recrystallization methods for synthesizing hierarchically porous ZSM-5 zeolites”. Microporous and Mesoporous Materials 308, 110550. (2020).

37. W.P. Wicaksono, G.T.M. Kadja, D. Amalia, L. Uyun, W.P. Rini, A. Hidayat, R.L. Fahmi, D. Nasriyanti, S.G.V. Leun, H.A. Ariyanta, T. A. Ivandini. “A green synthesis of gold–palladium core–shell nanoparticles using orange peel extract through two-step reduction method and its formaldehyde colorimetric sensing performance”. Nano-Structures & Nano-Objects 24, 100535. (2020).

36. A Maghfirah, MM Ilmi, ATN Fajar, GTM Kadja. “A review on the green synthesis of hierarchically porous zeolite”. Materials Today Chemistry 17, 100348. (2020).