Armas, Kenneth L., Engr. Gina Lorenzo, and Catherine Dela Cruz. 2023. “Financial Viability of Business Models For Engineered Vertical Hydroponics Systems For Sustainable Onion Production in The Philippines”. Journal of Applied Engineering and Technological Science (JAETS) 4 (2):864-72. https://doi.org/10.37385/jaets.v4i2.2040.