The Linkage Between The Dirac’s Approach And The Hamilton-Jacobi Approach For Higher-Order Hamiltonian Constrained Systems . cbej [Internet]. 2024 Sep. 22 [cited 2025 May 9];1(عدد خاص):1-15. Available from: https://cbej.uomustansiriyah.edu.iq/index.php/cbej/article/view/11864