و نميدانند چرا؟
By: nivishtah az Nāṣir al-Dīn Ṣāhib al-Zamānī ; bā muqaddamahʹī bi-Ingilīsī az Prufisūr Duktur Bāsh
Edition: Chāp-i 2.
Series: Maʻārif-i Ijtimāʻī -- 8
Publisher: Muʼassasah-yi Maṭbūʻātī-i ʻAṭāʼī
Published: 1965
Place of publication: Tihrān
Language: per
Number of pages: 424
Subjects: Applied Psychology; Mental health
Other titles: Va namīdānand chirā?; And they know not why
Notes: Introduction in English.

Includes bibliographical references.