@article{ijtech-197, title={The Efficacy of One-time and Intermittent Intake of Coffee as a Countermeasure to Sleepiness on Partially Sleep-deprived Drivers }, author={Manik Mahachandra,Siti Munzayanah,Yassierli }, volume={8}, number={2}, year={2017}, month={Apr}, pages={300-310}, DOI={https://doi.org/10.14716/ijtech.v8i2.6147}, journal={International Journal of Technology}, ISSN={2087-2100}}