Teaching acids and alkalis in lower secondary schools : an assignment presented to the SEAMO Regional Centre for Education in Science and Mathematics

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Penang : [n.p.], 1974

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Library	Item Barcode	Call Number	Material Type	Item Category 1	Status
Searching... PSZ JB	30000001999030	LB1648 V44 1974	Open Access Book	Book	Searching... Unknown
Searching... PSZ KL	30000002292039	LB1648 V44 1974 f	Open Access Book	Book	Searching... Unknown