These source materials appeared between 2000 CE and the present.
Sexuality, Celibacy and Tantra by Marshall Govindan (2014)
Slow Sex: The Path to Fulfilling and Sustainable Sexuality by Diana Richardson (2011)
Cupid’s Poisoned Arrow: From Habit to Harmony in Sexual Relationships by Marnia Robinson (2009)
Tantric Sex for Men: Making Love a Meditation by Diana and Michael Richardson (2009)