@article{Ahmad_Halim_2017, title={Determining Sample Size for Research Activities}, volume={2}, url={https://sbr.journals.unisel.edu.my/ojs/index.php/sbr/article/view/12}, number={1}, journal={Selangor Business Review}, author={Ahmad, Halim and Halim, Hasnita}, year={2017}, month={Dec.}, pages={20-34}