Gaya APA

Lestari, S, W. (2014). Enhancement of activity and achievement on chemistry of students on xi class of SMA N 1 Unagaran by implementation of high order thinking-problem solving instruction . NULL: NULL.

Gaya MLA

Lestari, Sriyani, Widi. "Enhancement of activity and achievement on chemistry of students on xi class of SMA N 1 Unagaran by implementation of high order thinking-problem solving instruction". NULL: NULL, 2014. Text.