Anuar, K., W. Tan, N. Saravanan, and S. Ho. “Influence of PH on the Properties of Chemical Bath Deposited Ni<sub>4</sub>S<sub>3</Sub> Thin Films”. Bangladesh Journal of Scientific and Industrial Research, vol. 46, no. 2, Aug. 2011, pp. 243-6, doi:10.3329/bjsir.v46i2.8192.