id	keyword
ejpam-6347	model
ejpam-6347	control
ejpam-6347	time
ejpam-6347	days
ejpam-6347	disease
ejpam-6347	zanib
ejpam-6347	shatanawi
ejpam-6347	pure
ejpam-6347	covid-19
ejpam-6347	math
ejpam-6347	abbas
ejpam-6347	eur
ejpam-6347	appl