1.
Alam I, Khusro S, Rauf A, Zaman Q. Conducting Surveys and Data Collection: From Traditional to Mobile and SMS-based Surveys. Pak.j.stat.oper.res. [Internet]. 2014Aug.12 [cited 2025Jan.18];10(2):169-87. Available from: https://pjsor.com/pjsor/article/view/758