000 00256nam a22000977a 4500
100 _aAmazona, Percival S. Jr.
245 _aFactors Related to Chemical Formulas and Equations Aptidudes
260 _aAurora
_bASCOT
_c2019
300 _ap. 62
_billus.
942 _cCR
999 _c4903
_d4903