(b) (c) 17. Steps taken for the conservation, development and diffusion of science and culture: (a) (b) 18. Information on the practical measures aimed at the full implementation of this right, including provision of the necessary conditions for scientific, literary and artistic activities, and the protection of intellectual property rights resulting from such activities; Difficulties affecting the degree of realisation of this right. Principal laws, administrative regulations, collective agreements and court decisions designed to conserve, develop and diffuse science and culture at the constitutional level, within the national educational system and by means of the communications media; Information on all other practical steps taken to promote such conservation, development and diffusion. Right to the freedom of scientific research and creative activity: (a) (b) (c) (d) Principal laws, administrative regulations, collective agreements and other types of arrangements designed to promote the right of everyone to the freedom indispensable for scientific research and creative activity; Information on measures designed to promote enjoyment of this right including promotion of all necessary conditions and facilities for scientific research and creative activity; Measures taken to guarantee the free exchange of scientific, technical and cultural information, views and experience between scientists, writers, creative workers, artists and other creative activists; Factors involved and difficulties encountered. 16