Abd. Rahman, Haliza, Arifah Bahar, Mohd. Khairul Bazli Mohd. Aziz, Norhayati Rosli, Madihah Salleh, and Gerhard-Wilhelm Weber. 2009. “Parameter Estimation of Stochastic Logistic Model: Levenberg Marquardt Method”. MATEMATIKA 25 (December):91-106. https://doi.org/10.11113/matematika.v25.n.263.