“LEVELS OF SOURNESS, BITTERNESS AND SWEETNESS OF CHOCOLATE PRODUCTS ON CONSUMER ACCEPTANCE (CASE STUDY IN THE SPECIAL REGION OF YOGYAKARTA, INDONESIA)”, JTIP, vol. 35, no. 3, pp. 252–260, Dec. 2025, doi: 10.24961/j.tek.ind.pert.2025.35.3.252.