Darwent

Datanet India Pvt. Ltd.

Defence Research & Development Organization (Drdo) Publications

Defence Scientific Information and Documentation Centre

Defence Scientific Information and Documentation Centre (DESIDOC)

Demetrios A. Spandidos Ed. and Pub.

Department of Mathematics, Hokkaido University

Department of Mathematics, Niigata University

Departmento De Mathematics

DEPPARTMENT OF MECHANICAL & INDUSTRIAL ENGINEERING

Digital Science & Research Solutions

Dion Global Solutions Ltd.

Diva Enterprises Pvt. Ltd

DMG world Media Ltd

DUKE University Press

Dzial Wydawn. Politechniki Slaskiej