id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
cet-12730		cet-12730		6	.pdf	application/pdf	3682	142	41	This method constitutes a powerful tool for the assessment of systems for VF integration that enhance the sustainability of agricultural activity. Figure 4: Initial structure for a single period of case study of closed-loop system for VF integration These units are selected since they are regarded as systems whose inputs or outputs may be seized by VF, or other members of the closed loop and the structure is created in P-Graph Studio.	cache/cet-12730.pdf	txt/cet-12730.txt