Yamini Sharma, Chhama Pandey, Gulzar Ahmed, C.Kumar Dixit,. “Binary and Ternary Nickel Sulfides: Structural Properties of NiS and NiS Doped With Fe/Se/Li”. Design Engineering (October 18, 2021): 5040-5055. Accessed May 3, 2024. http://www.thedesignengineering.com/index.php/DE/article/view/5456.