HARMITA H, SIMBOLON DS. SYNTHESIS AND ANALYSIS OF COPPER PROTEINATE AND MANGANESE PROTEINATE FROM REACTION OF COPPER SULFATE AND MANGANESE SULFATE WITH PROTEIN EXTRACTED FROM FISH WASTE. Int J App Pharm [Internet]. 2020 Mar. 23 [cited 2024 Apr. 25];12(1):139-42. Available from: https://journals.innovareacademics.in/index.php/ijap/article/view/37556