Didn't A. Mohd Zin and R. Sulaiman not co-author a paper?
Was a paper not not co-authored by Abdullah Mohd Zin and R. Sulaiman?
ASK { ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/79/5542> . ?x <https://dblp.org/rdf/schema#authoredBy> <https://dblp.org/pid/92/3514> }
<https://dblp.org/pid/79/5542> <https://dblp.org/pid/92/3514>