Handbook of Water and Wastewater Treatment Plant Operations, Third Edition 

The Science of Environmental Pollution, Second Edition

Tác giả: Frank R. Spellman;

The Science of Environmental Pollution, Second Edition

Tác giả: Frank R. Spellman;

Water & Wastewater Infrastructure: Energy Efficiency and Sustainability

Tác giả: Frank R. Spellman;

Safe Work Practices for Wastewater Treatment Plants

Tác giả: Frank R. Spellman;

Safe Work Practices for Wastewater Treatment Plants

Tác giả: Frank R. Spellman;