DSDV
https://drive.google.com/drive/folders/1cN6mPaeS6U7n04O5G9-S_T4hnLwziKSj?usp=sharing
Biology for Engineers:
https://drive.google.com/drive/folders/1yUPb3yVb-Kd54T1oJF13h_BbaoVTqk6y?usp=drive_link