S. M, L. J. Berchmans, G. K. Meenashisundaram, M. Usmaniya U, S. R. Sankaranarayanan, and S. K. Babu, “A new approach to synthesize nano-yttrium boride particle through metallothermic reduction process”, J Min & Metal B Metallurgy, vol. 56, no. 1, pp. 77-87, Jan. 2020.