Wandari, Rizka Ari, Supriyanto Supriyanto, and Rinawati Rinawati. 2018. “STUDI ANALISIS ION LOGAM Cu(II) DENGAN ASAM TANAT MENGGUNAKAN SPEKTROFOTOMETER ULTRAUNGU-TAMPAK”. Analit : Analytical and Environmental Chemistry 3 (02). https://doi.org/10.23960/aec.v3i2.2018.p.