career success 1 [vynechat] concentration (psychology) 1 [vynechat] duševná práca 1 [vynechat] koncentrácia (psychológia) 1 [vynechat] manažment času 1 [vynechat] mental work pracovný výkon 1 [vynechat] profesný úspech 1 [vynechat] sebazdokonaľovanie 1 [vynechat] self-actualization 1 [vynechat] time management 1 [vynechat] work performance 1 [vynechat]