Waterink, Wim. “IN STEADY HETEROSEXUAL RELATIONSHIPS MEN MASTURBATE MORE THAN WOMEN BECAUSE OF GENDER DIFFERENCES IN SEX DRIVE”. New Voices in Psychology 10, no. 1 (2014): 96–108. Accessed July 3, 2024. https://unisapressjournals.co.za/index.php/NV/article/view/3419.