Ayuchecaria, Noverda, Mokhamat Ariefin, Yuliana, Ansori Rahman, and Ni Wayan Prema Mulyasari. 2023. “Coaching on Fabrication of Natural PH Indicators As an Alternate Synthetic Indicators at SMK Muhammadiyah Palangka Raya: Pelatihan Pembuatan Indikator PH Alami Sebagai Pengganti Indikator Sintetis Di SMK Muhammadiyah Palangka Raya”. NAWASENA : JOURNAL OF COMMUNITY SERVICE 1 (01):1-7. https://e-journal.upr.ac.id/index.php/JCS/article/view/8665.