S. M. A. Rani, B.-B. Lee, N. H. Elias, C.-M. Tan, S.-Y. Ng, and K. F. Kasim, “Production of Probiotic Pineapple Juice: Air Extrusion-Spherification System Development and Juice Storage Stability Assessment”, J. Teknol Industri Pangan, vol. 36, no. 2, pp. 276–287, Dec. 2025, doi: 10.6066/jtip.2025.36.2.276.