Hussain, Iqbal, Abdul Wahid, Rizwan Rasheed, and Hafiz Muhammad Akram. 2014. “Seasonal Differences in Growth, Photosynthetic Pigments and Gas Exchange Properties in Glass-House Grown Maize (Zea Mays)”. Acta Botanica Croatica 73 (2). https://www.abc.botanic.hr/index.php/abc/article/view/878.