Winingsih, Atih, Abraham Suriadikusumah, Oviyanti Mulyani, Anne Nurbaity, and Emma Trinuranisofyan. 2019. “THE ROLE OF HYDROGEL AND INCUBATION TIME TOWADS PH, C-ORGANIK, AND N-TOTAL SOIL”. Jurnal Penelitian Saintek 24 (1):46-54. https://doi.org/10.21831/jps.v24i1.20868.