Marinus, E., Oghenevwairhe, E. OPTIMIZATION OF DUCKWEED (LEMNA MINOR) INCLUSION LEVELS TO IMPROVE NUTRITIONAL QUALITY AND PRODUCTION EFFICIENCY OF NILE TILAPIA (OREOCHROMIS NILOTICUS) BY RESPONSE SURFACE MODELLING. njaat [Internet]. 2026 Jun. 12 [cited 2026 Jun. 30];6(2A):87-95. Available from: https://www.njaat.com.ng/index.php/njaat/article/view/1612