2 files changed, 8 insertions, 0 deletions

diff --git a/source/b_tree_impl.h b/source/btree_impl.h
index 8eb0723..8eb0723 100644
--- a/source/b_tree_impl.h
+++ b/source/btree_impl.h
diff --git a/sources.txt b/sources.txt
index 18b491b..ff2e010 100644
--- a/sources.txt
+++ b/sources.txt
@@ -10,3 +10,11 @@
 
 
  https://github.com/tidwall/btree.c/blob/master/btree.c
+
+ https://www.youtube.com/watch?v=TOb1tuEZ2X4&t=716s
+ - good explanations on insertion and searching
+
+ https://www.geeksforgeeks.org/dsa/insert-operation-in-b-tree/
+
+
+