diff --git a/nontech/ortho/people/mazhuko.txt b/nontech/ortho/people/mazhuko.txt
index cf1d743e8..dc4ca1d4c 100644
--- a/nontech/ortho/people/mazhuko.txt
+++ b/nontech/ortho/people/mazhuko.txt
@@ -29,6 +29,8 @@ people
     ! his students - S.S Averintsev, V Bibihin
 
 2025
+Mazhuko - Church Weakness of 20:03
+    https://www.youtube.com/watch?v=3ex5tFnNu_o
 SretenMonastery - Proskuryakov - Mazhuko - Envy of 31:20
     https://www.youtube.com/watch?v=n-1jb9nMbIc
 Mazhuko - Catch Up and Hug of 10:31
diff --git a/pl/cross/rest/docs/presentations.txt b/pl/cross/rest/docs/presentations.txt
new file mode 100644
index 000000000..dd105a520
--- /dev/null
+++ b/pl/cross/rest/docs/presentations.txt
@@ -0,0 +1,3 @@
+2025
+Otus - How Analytics Projects REST API 0:00 of 1:32:11
+    https://www.youtube.com/watch?v=ZeU0ngQ_9CM