“PHYSICAL PROPERTIES OF NOVEL α-Fe2O3/NiO HETEROSTRUCTURES THROUGH IMMERSION/ SOL–GEL SPIN COATING METHOD: DIFFERENT DEPOSITION NUMBERS OF NiO LAYER”, JT, vol. 83, no. 5, pp. 19–26, Aug. 2021, doi: 10.11113/jurnalteknologi.v83.16793.