Murni, Selviana, Rochmawati. Analysis of Physical, Chemical and Biological Pollution in the Process of Making Brown Sugar in Sungai Itik Village. JTKB [Internet]. 2020Jul.5 [cited 2024May7];1(1):29-0. Available from: https://jtk.poltekkes-pontianak.ac.id/index.php/JTKB/article/view/9