Meliza, Meliza and Andromeda, Andromeda and Yerimadesi, Yerimadesi and Syamsi, Aini  (2021) Validity and Practicality of Chemical Equilibrium E-Module Based on Integrated Guided Inquiry (IGI) Learning for Senior High School Grade Eleven.  International Journal of Progressive Sciences and Technologies (IJPSAT), 28 (2).  pp. 561-571.  ISSN 2509-0119