L. Verboven has written:
'The toy: a new therapeutic aid for handicapped children' -- subject(s): Children with disabilities, Play therapy, Psychological aspects, Psychological aspects of Toys, Toys
Frank Verboven has written: 'Theoretical and empirical essays in oligopoly behavior'
L. Hood has written: 'What, when, and how about why'
L. Salleron has written: 'L' automation'
L. L. Simons has written: 'Hot on the trail'
L. L. Davison has written: 'Stray leaves from \\'
L. L. Paklons has written: 'European bibliography'
L. Cros has written: 'L' explosion scolaire'
L. I. Bespalov has written: 'Kleshchi'
L. Salvatorelli has written: 'Rome'
L. I. RIKLIS has written: 'Mori'
L. Parfenov has written: 'Namedni'
L. A. McKay has written: 'Janus'