Volume 9, Issue 3 Mehtab Khan Rashid Farooq Azad A. Siddiqui On the extremal energy of bicyclic digraphs Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Mehtab Khan Rashid Farooq Azad A. Siddiqui Find more articles with the same keywords energy of digraphs bicyclic digraphs Find more articles with the same subject classes 05C35 05C50