K. R. Poudel, S. Gautam, P. Pokhrel, B. R. Raghubanshi, A. Shrestha, and B. Raut, “Dentists’ perspective on preference for direct restorative materials for different tooth cavities: A study from two colleges in Kathmandu, Nepal”, J. Kathmandu Med. Coll., vol. 3, no. 2, pp. 72–77, Oct. 2014.