id	keyword
iajs-1991	polyamides
iajs-1991	synthesis
iajs-1991	figure
iajs-1991	haitham
iajs-1991	dmso
iajs-1991	https://doi.org/10.30526/32.1.1991
iajs-1991	vol
iajs-1991	appl.sci
iajs-1991	ihjpas