Seasonal variability of anthropogenic indices of PAHs in sediment from the Kuala Selangor River, west coast Peninsular Malaysia by Masood, Najat, Halimoon, Normala, Aris, Ahmad Zaharin, Zakaria, Mohamad Pauzi, Vaezzadeh, Vahab, Magam, Sami M., Mustafa, Shuhaimi, Ali, Masni Mohd, Keshavarzifard, Mehrzad, Alkhadher, Sadeq Abdullah Abdo, Bong, Chui Wei, Alsalahi, Murad Ali