http://repository.unimus.ac.id/290/1/BUKU%20ajar%20kedokteran%20keluarga.pdf
https://www.youtube.com/watch?v=pi3vqYRDsPI
https://www.academia.edu/31397891/FAMILY_DINAMICS_and_FAMILY_ASSESSMENT_TOOLS
http://repository.ump.ac.id/3902/3/ESTI%20MUHARUMSIH%20BAB%20II.pdf