Rahmalina, Dwi, Dwi Chandra Adhitya, Reza Abdu Rahman, and Ismail Ismail. 2021. “Improvement the Performance of Composite PCM Paraffin-Based Incorporate With Volcanic Ash As Heat Storage for Low-Temperature Application”. EUREKA: Physics and Engineering, no. 1 (September), 53-61. https://doi.org/10.21303/2461-4262.2022.002055.