Economy and technique of learning,

में बचाया:
ग्रंथसूची विवरण
OCLC:2142688
मुख्य लेखक: Book, William Frederick, 1872-1940
भाषा:English
प्रकाशित: Boston, D. C. Heath [c1932]
विषय:
स्वरूप:

Monograph

Note that CRL will digitize material from the collection when copyright allows.

विवरण
भौतिक वर्णन:x, 534 p. illus., diagrs. 20 cm.