| Type |  Book |
| ชื่อเรื่อง | Mathematics manual for water and wastewater treatment plant operators. Wastewater treatment operations : math concepts and calculations / Frank R. Spellman |
| ผู้แต่ง | Spellman, Frank r |
| ISBN | 9781482224283 |
| พิมพลักษณ์ | Boca Raton, Florida : CRC Press, 2014 |
| ครั้งที่พิมพ์ | 2nd ed |
| รูปเล่ม | xiii, 244 pages : illustrations ; 24 cm |
| หัวเรื่อง | Sewage disposal --Problems, exercises, etc [] |
| | Sewage disposal --Mathematics [] |
| | Sewage --Purification --Problems, exercises, etc [] |
| | Sewage --Purification --Mathematics [] |
| | Water quality management --Problems, exercises, etc [] |
| | Water quality management --Mathematics [] |
| | Water --Purification --Problems, exercises, etc [] |
| | Water --Purification --Mathematics [] |