Shamshiri, Ramin, et al. “Advances in Greenhouse Automation and Controlled Environment Agriculture: A Transition to Plant Factories and Urban Agriculture”. International Journal of Agricultural and Biological Engineering, vol. 11, no. 1, Jan. 2018, pp. 1-22, https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/3210.