: Some regional education departments, such as the Pryamoy Put Center (PKIRO) , host sample chapters or related ecological textbooks for online reading.
: Search for "Экология Никишов 5-6 класс." These are common places to find older editions. : Some regional education departments, such as the
Because the book is out of print at major retailers like Books.ru , your best options are secondhand marketplaces: Quick Book Specifications Authors: A
: You can search for the ISBN 5-93177-006-2 to see if a digital copy has been archived by the community. Quick Book Specifications Authors: A.I. Nikishov, V.N. Kuznetsov, D.L. Teplov. Pages: Approximately 224–272 pages. Teplov
Since this textbook is often used as a supplementary or elective course material, it is frequently hosted on school portals or teacher resource sites. Search for the title on platforms like: