Popularization of science and technology ; delivery systems for out-of-school science activities including regional science olympiad.

ग्रंथसूची विवरण
मुख्य लेखक: Unesco. Principal Regional Office for Asia and the Pacific
स्वरूप: पुस्तक
भाषा:English
प्रकाशित: Bangkok Unesco 1991.
श्रृंखला:APEID
विषय: