G. Upender Reddy, T. Siva Nageswara Rao, N. Srinivasa Rao and V. Venkateswara Rao (2020) “Bipolar soft neutrosophic topological region”, Malaya Journal of Matematik. India, 8(04), pp. 1687–1690. doi: 10.26637/MJM0804/0061.