., Suyanta, Endang Widjajanti LFX, Eli Rohaeti, Anggi Ristiyana Puspita Sari, and Rejeki Dwi Astuti. “Exploring Item Validity: Critical-Science Process Skills Integrated Assessment Instrument on Electrolyte Solution and Acid Base Matter”. The International Journal of Science & Technoledge 5, no. 1 (January 31, 2017). Accessed July 22, 2024. https://internationaljournalcorner.com/index.php/theijst/article/view/123355.