IPSED modules for Leyte-Samar region.

ग्रंथसूची विवरण
निगमित लेखकों: Integrated Program in Science Education for Development, National Science Development Board
स्वरूप: पुस्तक
भाषा:English
प्रकाशित: Quezon City Published for NSDB by UP Science Education Center 1981.
विषय: