Sari, T. K., Fithriana, E., Dewata, I. ., Kurniawati, D. and Away, R. D. Y. (2023) “The Extracted Pectin from Ambarella Fruit Peel (Spondias dulcis) as Biosorbent in Adsorption of Cu(II) Metal Ions”, Jurnal Riset Kimia, 14(2), pp. 188–197. doi: 10.25077/jrk.v14i2.608.