sci
hub

to open science
Shokoofeh Motavassel;Mahmood Seifouri;Saeed Olyaee;. (2021). Efficiency improvement of perovskite solar cell by modifying structural parameters and using Ag nanoparticles . Applied Physics A, (), –. doi:10.1007/s00339-021-04276-4 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research