Setiawati, A. et al. 2021. THE 21ST CENTURY SKILLS ON CHEMISTRY LEARNING BASED ON VIRTUAL LAB IN SENIOR HIGH SCHOOL. JPPS (Jurnal Penelitian Pendidikan Sains). 11, 1 (Nov. 2021), 27–39. DOI:https://doi.org/10.26740/jpps.v11n1.p27-39.