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LIFE SCIENCE INVESTIGATIONS: HOW PLANTS GROW by FRIESEN, HELEN LEPP (Hardcover - 2006) ISBN: 9780756946951 Subject: CHILDREN Publisher: PERFECTION LEARNING US |
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LIFE SCIENCE INVESTIGATIONS: LIFE CYCLES OF PLANTS AND ANIMALS by FRIESEN, HELEN LEPP (Hardcover - 2006) ISBN: 9780756946968 Subject: CHILDREN Publisher: PERFECTION LEARNING USA |
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USES OF LIGHT by FRIESEN, HELEN LEPP (Paperback - 2011) ISBN: 9781616908416 Subject: CHILDREN Publisher: WEIGL PUBLISHERS |
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