Mustafa Jasim Aljozary, et al. “Photosynthetic Pigment Ratios in Spring Wheat (Triticum Aestivum L.) Cultivars under Controlled Conditions”. Proceedings of the Pakistan Academy of Sciences: B. Life and Environmental Sciences, vol. 63, no. 3, Sept. 2026, doi:10.53560/PPASB(63-3)1138.