“Physicochemical Effects and Sensory Characteristics of Pomerac (Malay Apple; Syzygium Malaccense) Wine: Effects of Varying Pectolase Concentrations”.
International Journal of Natural Sciences Research, vol. 3, no. 3, May 2015, pp. 48-54,
https://doi.org/10.18488/journal.63/2015.3.3/63.3.48.54.