Yadnya, Tjokorda Gede Belawa, Anak Agung Ayu Sri Trisnadewi, I Ketut Sukada, and I Gusti Lanang Oka. 2016. “The Effect of Offered Diet Containing Rice Hull and Mono Sodium Glutamate (msg) and Effective Microorganism -4 (em-4) Solution on the Performance of Campbell Duck”. International Research Journal of Engineering, IT & Scientific Research 2 (11):75-82. https://sloap.org/journals/index.php/irjeis/article/view/523.