(2017). Effect of Planting Date and Humic acid on The Flowering Growth N, P and K Concertation of Three Summer Squash Cultivars (Cucurbita pepo L.). , 9(2), 76-95.

. "Effect of Planting Date and Humic acid on The Flowering Growth N, P and K Concertation of Three Summer Squash Cultivars (Cucurbita pepo L.)". , 9, 2, 2017, 76-95.

(2017). 'Effect of Planting Date and Humic acid on The Flowering Growth N, P and K Concertation of Three Summer Squash Cultivars (Cucurbita pepo L.)', , 9(2), pp. 76-95.

Effect of Planting Date and Humic acid on The Flowering Growth N, P and K Concertation of Three Summer Squash Cultivars (Cucurbita pepo L.). , 2017; 9(2): 76-95.