Home › Authors › Frolov, I͡U. P. 👤 Frolov, I͡U. P. b. 1892 · 3 books Books by Frolov, I͡U. P. Velikiĭ russkiĭ uchenyĭ I.P. P Velikiĭ russkiĭ uchenyĭ I.P. Pavlov 1947 Fish who answer the telephone Fish who answer the telephone 1937 Uchenie ob uslovnykh refleksak Uchenie ob uslovnykh refleksakh kak osnova pedagogiki 1928