A. K. K. SHEHAB and P. D. H. M. H. AL-UQAILI, “THE OBLIGATORY RULING ON FORMULATION AND COMPOSITION OF VERBS IN THE CAUSES OF GRAMMAR ACCORDING TO IBN AL-WARRAQ”, TPM, vol. 32, no. S2(2025) : Posted 09 June, pp. 1166–1176, Jun. 2025.