Premadi, P. W., Nugroho, D. H. and Jaelani, A. T. (2021) “Properties of the Environment of Galaxies in Clusters of Galaxies CL 0024+1654 and RX J0152.7−1357”, Journal of Mathematical and Fundamental Sciences, 53(3), pp. 428-450. doi: 10.5614/j.math.fund.sci.2021.53.3.7.