Olajide, J., T. Tunde-Akintunde, and A. Omolola. “DEVELOPMENT OF A TRAY DRYER FOR FRUITS AND VEGETABLES USING ZIG-ZAG AIR FLOW CONFIGURATION”. LAUTECH Journal of Engineering and Technology, Vol. 5, no. 1, Apr. 2009, pp. 32-35, https://laujet.com/index.php/laujet/article/view/258.