Zulfiqar, M. “<b>Some Characterizations of (¯∈<sub>γ</sub>, ¯∈<sub>γ</sub> v<em> ¯q</em><sub>δ</sub>)-Fuzzy Fantastic Ideals in BCH-algebras</b> - Doi: 10.4025/actascitechnol.V35i1.15897”. Acta Scientiarum. Technology, vol. 35, nº 1, janeiro de 2013, p. 123-9, doi:10.4025/actascitechnol.v35i1.15897.