References – AN 8.81: Mindfulness and Situational Awareness 
Readings by Ajahn Pasanno: [Right Mindfulness]
Reading: Right Mindfulness pp. 112-113.
Reading: MN 44, Cūḷavedalla Sutta, The Shorter Series of Questions and Answers.
Reading: AN 8.63: “In Brief.”
Reading: MN 101: Devadaha Sutta, At Devadaha.
Reading: AN 8.81: “Training.”