Answer: Pamphlets received from a medical institution, government pages that talk about the subject, and local health centers.
Explanation: The brochures have basic information about sex education and how to take care of yourself so that the person has an idea. But, in the case of Josef, if he wants to know more about the subject of sexual health, it will be necessary for him to visit websites such as those of the government, which have accurate and valuable information, or else attend local health centers where Josef can ask more about the subject.