Metodichesko rŭkovodstvo za mezhdupredmetnite vrŭzki po prirodomatematicheskite uchebni dist͡s︡iplini
By: [Angel Penev ... et al.].
Contributors: Penev, Angel.; Kŭrdzhali (Bulgaria). Direkt͡s︡ii͡a︡ "Narodna prosveta."
Publisher: Direkt͡s︡ii͡a︡ Narodna prosveta
Published: 1979
Place of publication: Kŭrdzhali
Language: bul
Number of pages: 217
Subjects: Mathematics -- Study and teaching.
Notes: Includes bibliographical references.