Gaya APA

A Didactical Design of Problem Based Learning Teaching Materials to Overcome Students Learning Obstacles on Calculus. (2019). Cimahi: IoP Publishing.

Gaya MLA

A Didactical Design of Problem Based Learning Teaching Materials to Overcome Students Learning Obstacles on Calculus. Volume 1315, No 1 Tahun 2019. Cimahi: IoP Publishing, 2019. Prosiding.