1 часть:
https://polytechonline.kz/cabinet/pluginfile.php/433438/mod_book/chapter/9361/%D0%9F%D0%9F%20I_9_1.pptx
2 часть:
https://polytechonline.kz/cabinet/pluginfile.php/433438/mod_book/chapter/9361/%D0%9F%D0%9F%20I_9_2.pptx