Reference this Research Paper (copy & paste below code):
K.Bhuvaneswari and K. Mythili Gnanapriya (2018); Nano Generalized Pre Homeomorphisms in Nano Topological Space;
Int J Sci Res Publ 6(7) (ISSN: 2250-3153). http://www.ijsrp.org/research-paper-0716.php?rp=P555633