1 Rand, D. C, "The relationship between children’s classification: class inclusion abilities and geographic knowledge as measured by Piaget’s spatial stages" Purdue Univ. 1973
2 Tajfel, H, "The development of children’s preference for their own country" 5 (5): 245-253, 1970
3 Jahoda, G, "The development of children’s ideas about country and nationality: part I the conceptual framework" 33 (33): 47-60, 1963a
4 Jahoda, G, "The development of children’s ideas about country and nationality, Part II: National symbols and themes" 33 (33): 143-153, 1963b
5 Piaget, J, "The development in children of the idea of homeland and relations to other countries" 3 : 561-578, 1951
6 Storey, C, "Teaching place: developing early understanding of ‘nested hierarchies’" 14 (14): 310-315, 2005
7 Herod, A, "Scale: the local and the global, Key Concepts in Geography" Sage Publications Ltd. 2007
8 Hanna, P, "Revising the social studies: what is needed?" 27 : 190-196, 1963
9 Daggs, D. G, "Pyramid of Places: Children’s Understanding of Geographic Hierarchy" The Pennsylvania State University 1986
10 Downs, R. M, "On education and geographers: the role of cognitive developmental theory in geographical education" 78 (78): 680-700, 1988
1 Rand, D. C, "The relationship between children’s classification: class inclusion abilities and geographic knowledge as measured by Piaget’s spatial stages" Purdue Univ. 1973
2 Tajfel, H, "The development of children’s preference for their own country" 5 (5): 245-253, 1970
3 Jahoda, G, "The development of children’s ideas about country and nationality: part I the conceptual framework" 33 (33): 47-60, 1963a
4 Jahoda, G, "The development of children’s ideas about country and nationality, Part II: National symbols and themes" 33 (33): 143-153, 1963b
5 Piaget, J, "The development in children of the idea of homeland and relations to other countries" 3 : 561-578, 1951
6 Storey, C, "Teaching place: developing early understanding of ‘nested hierarchies’" 14 (14): 310-315, 2005
7 Herod, A, "Scale: the local and the global, Key Concepts in Geography" Sage Publications Ltd. 2007
8 Hanna, P, "Revising the social studies: what is needed?" 27 : 190-196, 1963
9 Daggs, D. G, "Pyramid of Places: Children’s Understanding of Geographic Hierarchy" The Pennsylvania State University 1986
10 Downs, R. M, "On education and geographers: the role of cognitive developmental theory in geographical education" 78 (78): 680-700, 1988
11 Wiegand, P, "Learning and Teaching with Maps" Routledge 2006
12 Holloway, S. L, "Key Concepts in Geography" Sage Publications Ltd. 2007
13 Jahoda, G, "Children’s concepts of nationality: a critical study of Piaget’s stages" Society for Research in Child Development, Inc. 35 : 1082-1092, 1964
14 Stoltman, J. P, "Children’s conception of territory: A study of Piaget’s spatial stages" Univ. of Georgia 1971
15 Seo, T., Y, "A study on the stages in the development of geographic concept: the conception of ‘place’" 31 (31): 699-715, 1996