Putra, A. R., and L. Hudi. “Quality of Pineapple Cobs Candy As The Effect of Citric Acid Concentration and Immersion Time”.
Journal of Tropical Food and Agroindustrial Technology
, Vol. 2, no. 01, Sept. 2021, pp. 15-21, doi:10.21070/jtfat.v2i01.1578.