Structural, optical and magnetic elucidation of co-doping of Nd3+ and Pr3+ on lithium nanoferrite and its technological application oleh Sameen Aslam, Muhammad Shahzad Shifa, Zaheer Abbas Gilani, H.M. Noor ul Huda Khan Asghar, Muhammad Nauman Usmani, Jalil Ur Rehman, Muhammad Azhar Khan, Ayesha Perveen, Muhammad Khalid