Reference this Research Paper (copy & paste below code):
Renu Thomas, C. Janaki (2017); Separation Axioms on (1,2)*-R*-Closed Sets in Bitopological Space;
Int J Sci Res Publ 7(1) (ISSN: 2250-3153). http://www.ijsrp.org/research-paper-0117.php?rp=P616163