OKUNLOLA, G. O., and A. A. ADELUSI. “Growth and Photosynthetic Pigment Accumulation in Lycopersicum Esculentum Mill. In Response to Light and Nutrient Stress”. Notulae Scientia Biologicae, vol. 6, no. 2, June 2014, pp. 250-5, doi:10.15835/nsb629195.