Elonka, Stephen Michael
Standard plant operators' manual
McGraw-Hill, 1980
 Buku Referensi
Practical ideas for the design, operation, and maintenance of plant energy systems / editor, Thomas C. Elliott
McGraw-Hill, 1984
 Buku Teks
Elonka, Stephen Michael
Standard plant operator's questions & answers / Stephen Michael Elonka dan Joseph Frederick Robinson
McGraw-Hill, 1981
 Buku Referensi
Elonka, Stephen Michael
Standard plant operator's questions & answers / Stephen Michael Elonka dan Joseph Frederick Robinson
McGraw-Hill, 1981
 Buku Referensi
Elonka, Stephen Michael
Standard plant operator's questions & answers / Stephen Michael Elonka dan Joseph Frederick Robinson
McGraw-Hill, 1981
 Buku Referensi