From the network in Determine 9, the co-citation degree on the literature on slices for each period of time had been integrated and clustered. The integrated network consisted of 821 literatures and 2332 hyperlinks to variety a co-citation network cluster. A co-citation community diagram determined by a photovoltaic building technique https://bipv-manufacturer63965.blogpayz.com/31868970/5-essential-elements-for-bipv-roof