id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ejpam-5861	Naz, Shabana; Sarwar, Muhammad; Shah, Kamal; Fatima, Nahid; Abdeljawad, Thabet	A Mathematical Model of COVID-19 Using Piecewise Derivative of Fractional Order	2025	33	.pdf	application/pdf	9599	740	77	t1 0 ϕ(t)dt, with t ∈ ∇1, 1 Γ(ε) ∫ t t1 (t− φ)ε−1ϕ(φ)dφ, with t ∈ ∇2. =  dϕ(t) dt , with t ∈ ∇1, CDε 0+ϕ(t), with t ∈ ∇2, such that PCDε 0+ represents ordinary differentiation in ∇1 and the Caputo differentiation on ∇2.	cache/ejpam-5861.pdf	txt/ejpam-5861.txt