Kaarlela, Ruth (September 1959). "The Role of the Family in Developing Independence in the Blind Child". Journal of Visual Impairment & Blindness. 53 (7): 245–248. doi:10.1177/0145482x5905300702. ISSN0145-482X. S2CID220593461.
Kaarlela, Ruth (September 1959). "The Role of the Family in Developing Independence in the Blind Child". Journal of Visual Impairment & Blindness. 53 (7): 245–248. doi:10.1177/0145482x5905300702. ISSN0145-482X. S2CID220593461.
Kaarlela, Ruth (September 1959). "The Role of the Family in Developing Independence in the Blind Child". Journal of Visual Impairment & Blindness. 53 (7): 245–248. doi:10.1177/0145482x5905300702. ISSN0145-482X. S2CID220593461.