- medium.com @vladddd461/4-основных-принципа-ооп-за…
- cig-rdlab.gitbook.io oop/2019-2020-archive/arkhiv…
- dan-it.gitlab.io fs-book/java-basic/oop/…
- infdev.github.io UsefulDevMaterials/designing/oop/
- ravesli.com urok-115-inkapsulyatsiya-gettery-i-…
- fructcode.com ru/blog/features-of-object-oriented…ООП: class Human { private $words; public function setWords($words) { $this->words = $words
- sky.pro wiki/html/nasledovanie-i-inkapsulyaciya-v…
- fotostock.site inkapsulyatsiya/oop/
- habr.com ru/companies/otus/articles/764266/