M. Kadhim Salman and A. Hmood Abd Alkadhim, “Electrical characterization of thermoelectric generators based on p-type Yb0.6Co4Sb12 and n-type Fe2.0Co2.0Sb12 thermoelectric materials”, JK-Physics, vol. 11, no. 1, pp. 106–110, Jun. 2019, doi: 10.31257/2018/JKP/2019/110114.