Chatmaneerungcharoen, Siriwan, Naruemon Yutakom, Kantimanee Phanwichien, and Gaalen Erickson. 2017. “Grounded theory of highly regarded high elementary science teachers’ PCK by Interpretive case Study (Thai)”. Asia-Pacific Journal of Science and Technology 15 (10):998-1014. https://so01.tci-thaijo.org/index.php/APST/article/view/84083.