diff --git a/nontech/economy/people/hazin.txt b/nontech/economy/people/hazin.txt
index a17c999a7..a2ed7b0cb 100644
--- a/nontech/economy/people/hazin.txt
+++ b/nontech/economy/people/hazin.txt
@@ -9,7 +9,7 @@ Oleg Vadimovich Grigoriev
 
 https://khazin.ru/
 https://vk.com/mlkhazin
-https://vk.com/video/@m_khazin
+https://vkvideo.ru/@khazinml
 
 https://fondmx.pro/
 https://www.youtube.com/@FondMX/videos
@@ -28,7 +28,10 @@ https://www.youtube.com/playlist?list=PL2zbO1Ks2ovz5msW0GAx4M0u3sXlvAn9r
 Dudnik - Hazin
 https://www.youtube.com/playlist?list=PLTK6rodRJFR2A1OXebwAg5im3CO1mVyz_
 
+
 2025
+MihailHazin - Current Events Comments 07.08 of 15:02
+    https://vkvideo.ru/video-229138762_456239116
 StreetOfTruth - Hazin - Absense of Positive Scenario of 1:34:26
     https://www.youtube.com/watch?v=vjjpdR_R_2k
     !!! very deep analysis of capitalism/risk/lihva etc
diff --git a/science/ai/agent/free/langchain/docs/books.txt b/science/ai/agent/free/langchain/docs/books.txt
new file mode 100644
index 000000000..093474d20
--- /dev/null
+++ b/science/ai/agent/free/langchain/docs/books.txt
@@ -0,0 +1,3 @@
+2025
+AuffarthKuligin - Generative AI with LangChain 2nd ed
+    an: 34a0a1e224b9bd2f2840604b03120350
diff --git a/science/ai/offline-local/llama/llamaindex.txt b/science/ai/offline-local/llama/llamaindex.txt
index 658b3db55..69fc9312e 100644
--- a/science/ai/offline-local/llama/llamaindex.txt
+++ b/science/ai/offline-local/llama/llamaindex.txt
@@ -13,6 +13,11 @@ https://docs.llamaindex.ai/en/latest/examples/pipeline/query_pipeline.html
 
 https://www.youtube.com/@LlamaIndex
 
+books
+2024
+Gheorghiu - Building Data-Driven Applications with LlamaIndex 1st ed
+    an: 3aec550a28a472fe765196a879abfe7f/0/0
+
 2024
 https://blog.llamaindex.ai/introducing-query-pipelines-025dc2bb0537
     ! rag