Rig ʼdzin thugs kyi thig le pad rag yi ge can byin rlabs mkhaʼ ʼgroʼi kha rlaṅs chil le ba : an introduction to the essence of the practice of the Gcod ʼdzin pa raṅ grol teachings of Mdo Mkhyen-brtse Ye-śes-rdo-rje - Rgyal-dbaṅ-nor-bu (Tenzin Drukpa, 1982)