1.
Regmi PR, Waithaka E, Paudyal A, Simkhada P, van Teijlingen E. Guide to the design and application of online questionnaire surveys. Nepal J Epidemiology [Internet]. 2017 May 1 [cited 2024 Dec. 27];6(4):640-4. Available from: https://nepjol.info./index.php/NJE/article/view/17258