spss tutorials - SERP Analysis

https://www.spss-tutorials.com/

https://www.youtube.com/watch%3Fv%3DTZPyOJ8tFcI

https://www.spss-tutorials.com/basics/

https://www.westga.edu/academics/research/vrc/assets/docs/spss_basics.pdf

https://libguides.library.kent.edu/SPSS

https://www.ibm.com/docs/en/ias%3Ftopic%3Dspss-tutorial-analyzing-statistics

https://statistics.laerd.com/

https://www.youtube.com/playlist%3Flist%3DPL25257A24840423AE

https://guides.library.illinois.edu/spss

https://liu.brooklyn.libguides.com/SPSS