Hagbarat piryon ha-yitsur
Subtitle: (moreh derekh le-menahalim)
By: S. Ṭiles
Series: Ḥoveret hadrakhah -- mis. 7
Publisher: ha-Makhon le-firyon ha-ʻavodah ṿeha-yitsur, Maḥleḳet ha-hadrakhah
Place of publication: [Tel Aviv]
Language: heb
Number of pages: 38
Subjects: Industrial productivity