Testing for the Equality of Variance for the Four-parameter Logistic (4PL) Model for the Detection of Vibrio cholerae DNA with Polystyrene-coacrylic Acid Composite Nanospheres. Bull Environ Sci Sust Manage [Internet]. 2021 Dec. 31 [cited 2026 May 11];5(2):5-7. Available from: https://journal2.hibiscuspublisher.com/index.php/BESSM/article/view/647