“ANALISIS KADAR GLUKOMANAN DAN KALSIUM OKSALAT PADA UMBI TANAMAN PORANG (Amorphophallus muelleri Blume)” (2026) Jurnal Kimia (Journal of Chemistry), 20(1), pp. 80–84. doi:10.24843/JCHEM.2026.v20.i01.p10.