Liu, Min. “A PROPOSED CASE STUDY FIELD RESEARCH METHODOLOGY TO TEST COST DRIVERS: AN EXAMPLE OF PROPOSED FIELD STUDY AT A NUCLEAR MEDICINE UNIT”. International Journal of Accounting & Finance Review, vol. 7, no. 1, Aug. 2021, pp. 123-9, https://doi.org/10.46281/ijafr.v7i1.1294.