119. D. Oktapia, E. Nurfani, B.A. Wahjoedi, L. Nulhakim, G.T.M. Kadja. “Seedless hydrothermal growth of hexagonal prism ZnO for photocatalytic degradation of methylene blue: the effect of pH and post-annealing treatment”. Semiconductor Science and Technology, 38 105005. (2023).