diff --git a/README.md b/README.md
index e762eee1d6ca3f4f3f2ac0dcd0061243f65bc84f..a4176bd8819e784adc933e96708925e05a6dfa7d 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,7 @@
 # Pgm
-
+##covid analysis
+https://drive.google.com/file/d/1G0QNuGAN_vFj2Bxxr6o_v0k5nN3z9PNY/view?usp=sharing
+##dicom to csv
+https://drive.google.com/file/d/17wlAd_SEwcRE8mYVMtuwW9ZxGdlA8Cjg/view?usp=sharing
+##preprocessing
+https://drive.google.com/file/d/15kp8sJan3ZEOl_ppeSIRw4g7j3UUueMX/view?usp=sharing