How to lengthen the useful life of our textbooks/
Sodusta, Miguel T.
How to lengthen the useful life of our textbooks/ Miguel T. Sodusta. - Philippines: In the Grade School, Inc., c2010-2011. - v59 n1, pages 6-7: illustrations; 28 cm.
2094-8042
Books.
DPer 370.105 M72 June 2010-Mar 2011 v. 59 n. 1-10
How to lengthen the useful life of our textbooks/ Miguel T. Sodusta. - Philippines: In the Grade School, Inc., c2010-2011. - v59 n1, pages 6-7: illustrations; 28 cm.
2094-8042
Books.
DPer 370.105 M72 June 2010-Mar 2011 v. 59 n. 1-10
