Raddina Aprilia Putri, Endang Susantini and Titik Taufikurohmah 2021. The Results Presentation of The Test Plants As A Natural Indicator of The Test Compounds of The Acid-Base Balance In the Teaching Materials of The Atlas to Train Scientific Reasoning Students. IJORER : International Journal of Recent Educational Research. 2, 3 (May 2021), 354-364. DOI:https://doi.org/10.46245/ijorer.v2i3.116.