@incollection{Turmudi17,
author = {Turmudi and Setya Utari and Suprih Widodo and Ratnaningsih},
title = {Mathematics Instruction Based on Science Using Didactical Phenomenology Approach in Junior Secondary School in Indonesia},
booktitle = {Science Education},
publisher = {IntechOpen},
address = {Rijeka},
year = {2017},
editor = {Antonio Vanderlei Dos Santos and Joao Carlos Krause},
chapter = {2},
doi = {10.5772/intechopen.68437},
url = {https://doi.org/10.5772/intechopen.68437}
}