Y. Z. Abdullahi, A. Shuaibu, Y. A. Tanko, O. P. Olusola, and O. A. Kafayat, “Thermoelectric Transport Properties of Ternaries Mixed Chalcogenide Bi₂Te₂ X (X= S And Se): A First Principle Study”, Phys. Memoir, vol. 1, no. 2, pp. 67–87, Jun. 2019.