Interdist͡s︡iplinarni formi i metodi na obrazovanie za opazvane na okolnata sreda v obshtoobrazovatelnite uchilishta i VUZ na NR Bŭlgarii͡a︡
By: [redaktor Peti͡a︡ Vasileva].
Contributors: Vasileva, Peti͡a︡.; Bulgaria. Ministerstvo na narodnata prosveta.
Publisher: Ministerstvo na narodna prosveta
Published: 1984
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 185
Notes: Includes bibliographies.