Cambridge IGCSE(tm) Additional Maths Teacher's GuideDavid Bird, Claire Powis, Peter Ransom, Carol Roberts, Brian Speed · First published 2019 · Latest edition 2021Open the Tome
Cambridge IGCSE® Additional Maths Teacher GuideDavid Bird, Su Nicholson, Claire Powis, Peter Ransom, Carol Roberts · First published 2018Open the Tome
Bacteriologic, immunologic and pathogenic studies of Vibrio spp. pathologic to salmonidsDavid Peter Ransom · First published 1978Open the Tome
