APA (7th ed.) Citation

Sutrisno. (2007). IPA ilmu pengetahuan alam: Indeks standar pencemar udara (ISPU) = polltant standard index (PSI. Yudhistira.

Chicago Style (17th ed.) Citation

Sutrisno. IPA Ilmu Pengetahuan Alam: Indeks Standar Pencemar Udara (ISPU) = Polltant Standard Index (PSI. Yudhistira, 2007.

MLA (8th ed.) Citation

Sutrisno. IPA Ilmu Pengetahuan Alam: Indeks Standar Pencemar Udara (ISPU) = Polltant Standard Index (PSI. Yudhistira, 2007.

Warning: These citations may not always be 100% accurate.