Ismail, Normah, AND 		Sahimi, Siti Noorsyarafana.
" Optimization of Immobilization Condition of Protease Extracted from Silver Catfish (Pangasius Sutchi) Viscera in Calcium Alginate by using Response Surface Methodology (RSM)" <em>Scientific Research Journal</em> [Online], Volume 18 Number 1 (1 April 2021)