D. P. Anggraini, D. Sulistiana, D. K. Agustina, and A. Ulimaz, “Determination of Kinetic Parameters and The Effect of Ion Mg2+ Inhibition Into Pectinase Activities”., J. Penelit. dan. Pengkaj. Ilmu. Pendidik. e-Saintika, vol. 4, no. 2, pp. 112–118, Jun. 2020, doi: 10.36312/e-saintika.v4i2.170.