[1]Sri Sathya Sai University for Human Excellence Navanihala Village;
Okali Post;
Kamalapur Taluk Gulbarga District;
Karnataka 585313;
India;
[2]Department of Mathematics;
Andhra University Visakhapatnam 530003;
India;
[2]Department of Mathematics;
Andhra University Visakhapatnam 530003;
India;
[3]Department of Mathematics;
Ar ba Minch University Arba Minch;
Ethiopia;
Optimal harvesting; Gompertz equation; seasonality; binding constraint; blocked intervals;