Test Construction Techniques and Principleshttps://www.researchgate.net/profile/Olubodun_Olufemi/publication/265085817_Test_Construction_Techniques_and_Principles/links/53fdfc950cf2dca8000457b6/Test-Construction-Techniques-and-Principles.pdf https://www.slideshare.net/ymdp08/principles-of-test-construction-1
