id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajam-80	John D. Oghene	Justification of socio-economic condition as pointers for heads of farm families in Delta North agricultural zone, Delta State, Nigeria	2014	8	.pdf	application/pdf	3892	255	63	Key words: Indexes, item analysis, valid items, socio-economic status indicators, farm families. It involves selecting valid items from a universe of items based on a pre-determined criterion.	cache/ajam-80.pdf	txt/ajam-80.txt