Handayani Aris Susmiasih et al. 2021. Student Difficulties Understanding the Concept of the Colligative Properties of Solutions in Class XII IPA SMA Negeri in Palangka Raya Academic Year 2018/2019. GAMAPROIONUKLEUS. 2, 2 (Nov. 2021), 95–110. DOI:https://doi.org/10.37304/jpmipa.v2i2.5046.