Schwab, Glenn Orville, 1919-
Elementary soil and water engineering
New York: John Wiley & Sons, 1957
 Buku Teks
Schwab, Glenn Orville, 1919-
Soil and water management systems
John Wiley & Sons, 1996
 Buku Teks SO
Kremere, Eva
SDG6 - clean water and sanitation: Balancing the water cycle for sustainable life on earth
Emerald Publishing Limited, 2020
 eBooks
Advanced Microsystems for Automotive Applications 2018: Smart Systems for Clean, Safe and Shared Road Vehicles
Springer Cham, 2019
 eBooks
Providing safe drinking water in small systems : technology, operations, and economics
Lewis Publishers, 1999
 Buku Teks SO