TY  - BOOK
AU  - Velasquez, Mary Ann A. 
TI  - General Chemistry: the essentials concepts 
SN  - 9786218179349
AV  - COL QD 31.2 .V54 2022 
PY  - 2022///
CY  - Manila
PB  - Edric Publishing
KW  - Chemistry -- study and teaching
ER  -