Menudju efficiency penggunaan pesawat-telepon
By: oleh D. C. Sitorus [dan] H. Kamal Nasution.
Contributors: Nasution, H. Kamal, joint author.
Publisher: Don
Published: 1960
Place of publication: Tjimahi
Language: ind
Number of pages: 24
Subjects: Telephone etiquette
Other titles: Bitjaralah setjara efficient.
Notes: "Tjatatan" (bibliographical) : p. 24.
Cover title: Bitjara setjara efficient.