"Ilmu itu bukan apa yang dihafal, tetapi yang memberi manfaat."
— Imam Syafi'i 🧠
(1962). Wettability of coal, graphite, and naphthalene as measured by contact angles. Urbana: .
1962. Wettability of coal, graphite, and naphthalene as measured by contact angles. Urbana: .
Wettability of coal, graphite, and naphthalene as measured by contact angles. Urbana: . 1962.
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