G. Hassan

Investigations on the efficiency variation of zinc and gallium Co-doped TiO2 based dye sensitized solar cells

W. Al-Masry, A. Mahmood, Q. Mahmood, 2020 .

A water balance model to estimate groundwater recharge in Rechna doab, Pakistan

Muhammad Nawaz Bhutta, M. N. Bhutta, Ghulam Zakir Hassan, 1996 .