Nirmal, Umar, Poh Kiat Ng, Kian Siong Jee, and Eric Anton. “Product and Market Observations on Furniture Technological Developments”. International Journal of Engineering & Technology 7, no. 3.7 (July 4, 2018): 558–562. Accessed May 4, 2024. https://sciencepubco.com/index.php/ijet/article/view/19050.