İzmit-Sapanca-Adapazarı vadisi ; tabiı̂, beşerı̂, iktisadı̂ (ziraı̂, sanaı̂, ticarı̂)
By: Şeref Kayaboğazı.
Publisher: Bürhaneddin Matbaası
Published: 1939
Place of publication: İstanbul
Language: tur
Number of pages: 59
Subjects: Kocaeli İli (Turkey)
Notes: Includes bibliographical references.