1.       https://www.youtube.com/watch?v=q5vu22nC50U (Fatima College e-resources)

2.       https://www.youtube.com/watch?v=wO2CcR_g_Y4  (J-gate)

3.       https://www.youtube.com/watch?v=WtFTelx6x5c  (NDL)

4.       https://www.youtube.com/watch?v=ZcVXkUbwtXo (Delnet)

5.       https://www.youtube.com/watch?v=4LqyP7Uyvd4   (Fclibrary Blog)

6.       https://www.youtube.com/watch?v=-f9cW9QkAa4   (Kopykitap)

https://www.youtube.com/watch?v=6pGHspmNjgc  (Digital elib4u)