Pshtiwan Abdullah Yousif, Aveen Faidhalla Jalal and Kaeuis Aziz Faraj 2020. Essential Constituents of Truffle in Kurdistan Region. Zanco Journal of Pure and Applied Sciences. 32, 5 (Oct. 2020), 158–166. DOI:https://doi.org/10.21271/ZJPAS.32.5.15.