Is triangulation compulsory in all kinds of research?

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Cristian Ramos-Vera

I leave several articles that may be useful to you http://research.apc.org/images/5/54/Triangulation.pdf

https://api.research-repository.uwa.edu.au/portalfiles/portal/24298123/The_Value_of_Mixed_Methods_Research_ORM_15_0022_R.2_final.pdf

https://onlinelibrary.wiley.com/doi/abs/10.1002/9781405165518.wbeost050.pub2

http://msessd.ioe.edu.np/wp-content/uploads/2017/04/the-point-of-triangulation.pdf

http://www.academia.edu/download/39515246/Qualitative_Triangulation.pdf

http://epubs.surrey.ac.uk/532394/1/Fielding%20N%202012%20Triangulation%20and%20Mixed%20Methods%20Designs.pdf

https://scholarworks.waldenu.edu/cgi/viewcontent.cgi?article=1187&context=jsc

http://www.academypublication.com/issues/past/tpls/vol03/02/tpls0302.pdf#page=56