Philippine inventions : a catalogue of inventions, utility models and creative resources / compiled by the Philippine Invention Teamof the Rural Transformation Project.

গ্রন্থ-পঞ্জীর বিবরন
বিন্যাস: গ্রন্থ
ভাষা:Filipino
প্রকাশিত: Quezon City Human Settlements Program, Development Academy of the Philippines c1975.
বিষয়গুলি: