Ponce Valdivia, Freddy Andrés, and Bismarck Pinto Tapia. “Courtship in a Group of Young Men from the City of La Paz”. Revista AJAYU 16, no. 1 (March 31, 2019): 123–149. Accessed May 18, 2024. https://ajayu.ucb.edu.bo/a/article/view/43.