Engineering and Allied Operations

Open Mineral Processing Journal

Open Mineralogy Journal

Open Nanomedicine Journal

Open Petroleum Engineering Journal

Open Plant Science Journal

Open Renewable Energy Journal

Open Research Journal of Food Chemistry

Open Science Journal of Bioscience and Bioengineering

Open Science Journal of Electrical and Electronic Engineering

Open Textile Journal

Open Transport Phenomena Journal

Open Virtual Reality Journal

Optical Nanoscopy

Optik and Photonik

Opto-Electronics Review

Organic Polymer Material Research

Organization, Technology and Management in Construction: An International Journal

Oriental Journal of Computer Science and Technology

Oxford Energy Forum

Pacific Asia Journal of the Association for Information Systems

Pacific Journal of Science and Technology

Pakistan Journal of Engineering and Technology

Pakistan Journal of Social and Clinical Psychology

Pakistan Textile Journal

Palliative Medicine and Care

Palliative Medicine and Hospice Care

Pamukkale University Journal of Engineering Sciences

Parallel and Distributed Computing and Networks

Particle and Fibre Toxicology

Pastura: Journal of Tropical Forage Science