作 者:Waqas Ishaque ;Waqas Ishaque ;Qamar Din 等
出 处:Advances in Difference Equations. 2019 ;2019(1):28.doi:10.1186/s13662-019-1973-z
出 版 社:Hindawi Publishing Corporation
文 章 ID:226777925
作 者:Dar, Adeel Ahmad ;Bhatti, Hafiz Muhammad Ali ;Muhammad, Taj
出 处:Pakistan Development Review. 2017 ;(December).
出 版 社:Pakistan Institute of Development Economics
文 章 ID:231442469