Tofighi Alikhani, Tahereh, Seyed Jalal Tabatabaei, Ali Mohammadi Torkashvand, and Daryush Talei. 2021. “Silica Nanoparticles and Calcium on the Histological Characteristics and Stem Bending in Gerbera Cut Flower”. Ornamental Horticulture 27 (3):334-43. https://doi.org/10.1590/2447-536X.v27i3.2308.