@article{Rustana_2021,<br/><span class="tab"></span> title={The development of harmonic oscillation e-module based on problem based learning (pbl) for helping improvement of students’ higher order thinking skills (hots)},<br/><span class="tab"></span> volume={1869},<br/><span class="tab"></span> ISSN={1742-6596},<br/><span class="tab"></span> url={http://dx.doi.org/10.1088/1742-6596/1869/1/012174},<br/><span class="tab"></span> DOI={10.1088/1742-6596/1869/1/012174},<br/><span class="tab"></span> number={1},<br/><span class="tab"></span> journal={Journal of Physics: Conference Series},<br/><span class="tab"></span> publisher={IOP Publishing},<br/><span class="tab"></span> author={Rustana,<br/><span class="tab"></span> C E and Aminah,<br/><span class="tab"></span> S and Budi,<br/><span class="tab"></span> A S},<br/><span class="tab"></span> year={2021},<br/><span class="tab"></span> month=apr,<br/><span class="tab"></span> pages={012174} }