A. Warokka, N. Sompie, H. Siwi, E. Muaja, and J. Purnama, “Engineering Design of a Transparent Modular Fermentor System Based on Local Microbiome Fermentation for Innovative Virgin Coconut Oil Production in Small and Medium Enterprises”, ajarcde, vol. 10, no. 3, pp. 570–575, Aug. 2026.