28 United Nations Principles and Guidelines on Access to Legal Aid in Criminal Justice Systems (a) To conduct regular research and collection of data disaggregated by the gender, age, socioeconomic status and geographical distribution of legal aid recipients and to publish the findings of such research; (b) To share good practices in the provision of legal aid; (c) To monitor the efficient and effective delivery of legal aid in accordance with international human rights standards; (d) To provide cross‑cultural, culturally appropriate, gender‑sensitive and age‑appropriate training to legal aid providers; (e) To improve communication, coordination and cooperation between all justice agencies, especially at the local level, to identify local problems and to agree on solutions to improve the provision of legal aid. Guideline 18. Technical assistance 75. Technical assistance based on needs and priorities identified by request‑ ing States should be provided by relevant intergovernmental organizations, such as the United Nations, bilateral donors and competent non‑governmental organizations, as well as by States in the framework of bilateral and multi‑ lateral cooperation, with a view to building and enhancing the national capacities and institutions for the development and implementation of legal aid systems and criminal justice reforms, where appropriate.