Ullah, F., Mahsood, N., Mohyuddin, W., Afridi, S., & Rehman, Z. ur. (2020). Prevalence of Refractive Error and Strabismus in Primary School Children of Tehsil Lakki Marwat, Khyber Pakhtunkhwa Pakistan. Journal of Gandhara Medical and Dental Science, 7(1), 11–21. https://doi.org/10.37762/jgmds.7-1.99