FEASIBILITY OF EUCALYPTUS LEAF EXTRACTS AS SUBSTITUTE COLORANT FOR MARKER INK
Rommel Jun Payba, Michael Roland Tiongson ( February 1999 ) Philippine Science High School Western Visayas Campus – Department of Science and Technology (DOST-PSHS WVC), Brgy. Bito-on, Jaro, Iloilo City 5000, Philippines ABSTRACT The lack of more economical and environment…