diff --git a/books/free-programming-books-pl.md b/books/free-programming-books-pl.md
index 9eab9850..ad87d1a9 100644
--- a/books/free-programming-books-pl.md
+++ b/books/free-programming-books-pl.md
@@ -125,6 +125,7 @@
 ### MySQL
 
 * [Bazy Danych MYSQL](https://miroslawzelent.pl/kurs-mysql/)
+* [Kurs MySQL](http://webmade.org/kursy-online/kurs-mysql.php) - Piotr Kuźmiński
 
 
 ### Perl
@@ -172,5 +173,6 @@
 
 ### SQL
 
+* [Kurs SQL](https://www.sqlpedia.pl/kurs-sql) - Jakub Kasprzak
 * [PL/SQL - podstawy (na stronie)](http://andrzejklusiewicz.blogspot.com/2010/11/kurs-oracle-plsql.html)
 * [SQL - podstawy (na stronie)](http://andrzejklusiewicz.blogspot.com/2010/11/kurs-oracle-sql.html)
diff --git a/courses/free-courses-pl.md b/courses/free-courses-pl.md
index 37a16e17..07f0a8d1 100644
--- a/courses/free-courses-pl.md
+++ b/courses/free-courses-pl.md
@@ -51,11 +51,13 @@
 
 ### CSS
 
+* [Kurs CSS](http://www.kurshtmlcss.pl/kurs-css) (Netido Interactive Agency)
 * [Kurs CSS. Wygląd strony www - kaskadowe arkusze stylów - Pasja informatyki (VIDEO)](https://www.youtube.com/playlist?list=PLOYHgt8dIdow6b2Qm3aTJbKT2BPo5iybv) - Mirosław Zelent, Damian Stelmach
 
 
 ### HTML
 
+* [Kurs HTML](http://www.kurshtmlcss.pl/kurs-html) (Netido Interactive Agency)
 * [Kurs HTML](https://www.youtube.com/playlist?list=PLpwxuvBp359NntV2cLO5LaH6tmd6efmHH)
 * [Kurs HTML - od zera do Webmastera](https://www.youtube.com/playlist?list=PL0zYPqHK5yJWsIn3PIproSyxO3nchPd99)
 * [Kurs html i css](https://www.youtube.com/playlist?list=PLs8Otihb6zvfosmWesJ_lkJS_HzL58gSS)