Modelirane i prognozirane na rabotnoto i svobodnoto vreme
By: Zakhari Staĭkov, Krŭsto Petkov, Staĭko T︠S︡onev
Edition: 1. izd.
Series: Problemi na dekemvriĭskata programa
Publisher: Kn-vo "Georgi Bakalov"
Published: 1976
Place of publication: Varna
Language: bul
Number of pages: 268
Subjects: Time management; Forecasting