+ wishlist Understanding and Developing Science Teachers' Pedagogical Content Knowledge: 2nd Edition [9789460917882] Add to Cart The item has been added Author: J. John Loughran Amanda Berry Pamala Mulhall Understanding and Developing Science Teachers' Pedagogical Content Knowledge: 2nd Edition [9789460917882] Buy More - Save More. Below are the available bulk discount rates for each individual item when you purchase a certain amount Quantity Price Savings 25 - 99 21% 100 - 249 24% 250 - 499 25% 500 - 999 28% 1000+ 30% List Price As Low as $65.00 Format: Paperback