Gaya APA
PURWANINGRUM, L. (2017).
Effect of modifying the shape of Indonesia elementary school chair and proper holding position on the task time .
:
F. Srd UNS.
Gaya MLA
PURWANINGRUM, Lu'lu'.
"Effect of modifying the shape of Indonesia elementary school chair and proper holding position on the task time".
:
F. Srd UNS,
2017.
Lap. Penelt. Dosen.